Sentinel: add Redis execution mode to INFO output.
Sentinel: add Redis execution mode to INFO output.

The new "redis_mode" field in the INFO output will show if Redis is
running in standalone mode, cluster, or sentinel mode.

linfangrong/redis,allengaller/redis,mcanthony/redis,cloudrain21/redis,rogerchina/redis,msn217/redis-3.0-annotated,AALEKH/redis,iandyh/redis,huyuezheng/redis,spinlock/redis,gechong/redis-3.0-annotated,weizijun/redis,shreesundara/redis,tellapart/redis,cusspvz/redis,rouzier/redis,mengzhejin/RedisStudy,pmem/redis,HeartSaVioR/redis,gilala/hredis,louisliangjun/redis,onlymellb/redis-3.0-annotated,JoeWoo/redis,soloestoy/redis,yuzhangjob/redis-3.0-annotated-unstable,dongqifan2/redis-3.0-annotated,fengshao0907/redis,kmiku7/redis,mcanthony/redis,0x55/redis-3.0-annotated,gilala/bjredis,zy416548283/redis-3.0-annotated,HouKangkang/redis-3.0-annotated,mengzhejin/RedisStudy,OmarQunsul/graph-redis,harrisonfeng/redis,twskipper/redis,gilala/hredis,Aliceljm1/redis-3.0-annotated,xujunhai1991/redis,wujf/redis,itugs/redis,shreesundara/redis,dayuoba/redis,NBSW/redis,PKRoma/redis,jasonkying/redis,ofirluzon/redis,MSOpenTech/redis,tjschuck/redis,CodeJuan/redis,unasm/redis-3.0-annotated,riyan8250/redis,ipmobiletech/redis,huangz1990/annotated_redis_source,splitice/redis,yuhc/redis-benchmark-enhanced,seppo0010/rlite-server,Cisphyx/redis-websockets,magastzheng/redis-3.0-annotated,wbailey5/redis,iandyh/redis,gongice/redis-3.0-annotated,wprice/redis,buobao/redis-3.0-annotated,jacklee0810/annotated_redis_source,zhiliaoniu/redis,wujf/redis,kensou97/redis,ChaosCoo/annotated_redis_source,kmiku7/redis,SummonY/redis,PKRoma/redis,Aliceljm1/redis,ReadCode/redis-3.0-annotated,hedisdb/hedis,citusdata/redis,janekmi/redis,zczhuohuo/redis,roth1002/redis,figoxu/annotated_redis_source,hhli/redis,Markgorden/redis,idning/redis,190235047/redis,dreamquster/redis,soloestoy/redis,tzq668766/redis-3.0-annotated,ton31337/redis,tjschuck/redis,ipmobiletech/redis,HouKangkang/redis-3.0-annotated,itamarhaber/redis,devaos/redis,yybirdcf/learn-redis,kensou97/redis,kensou97/redis,seandsky/redis,pkdevbox/redis,figoxu/annotated_redis_source,supasate/redis,fengshao0907/redis,healerkx/redis,yuhc/redis-benchmark-enhanced,GrimDerp/redis,OmarQunsul/graph-redis,RepmujNetsik/redis,ncopa/redis,programmecat/redis,jackyan/redis,gilala/bjredis,linfangrong/redis,ramonsnir/redis,MasahikoSawada/redis,abhiklodh/redis,xujunhai1991/redis,machicao2013/redis-source-annotated,hawkchch/redis,gspandy/annotated_redis_source,mingyaaaa/redis,dayuoba/redis,tanghaodong25/redis,timothyohare/3rdPartySrc-redis,0x55/redis-3.0-annotated,jackyan/redis,janekmi/redis,huangz1990/experiment-redis,shreesundara/redis,francischan714/redis,gilala/hbjredis,haima-zju/redis-3.0-annotated,AALEKH/redis,jacklee0810/redis-3.0-annotated,narma/redis,pedigree/redis,LongXQ/redis,HunanTV/redis,NBSW/redis,HeartSaVioR/redis,francischan714/redis,huyuezheng/redis,wprice/redis,ramonsnir/redis,healerkx/redis,SyntaxStacks/redis,wuyu201321060203/redis-3.0-annotated,yuhc/redis-benchmark-enhanced,tanghaodong25/redis,NBSW/redis,cnbin/redis,pcarrier/redis,oranagra/redis,z-fork/redis,aim-for-better/redis,wenxueliu/redis_comment,jbochi/redis,pietern/redis,duanx/redis,GrimDerp/redis,pcarrier/redis,zhaobo1023/redis-3.0-annotated,ErikDubbelboer/redis,taoguan/redis,Sciumo/redis,colstrom/redis,Soledad89/redis,wbailey5/redis,blackmady/redis,jbochi/redis,GitHubMota/redis,Soledad89/redis,abhiklodh/redis,rogerlz/redis,zguangyu/redis,qiyang0221/redis,elkingtonmcb/redis,dayuoba/redis,danny200309/annotated_redis_source,vincent-vivian-liu/redis,seppo0010/rlite-server,zhiliaoniu/redis,itugs/redis,mingyaaaa/redis,rogerlz/redis,wangyikai/redis,j0hnma/hszredis,wujf/redis,Aliceljm1/redis-3.0-annotated,charsyam/redis,neomantra/redis,cusspvz/redis,seppo0010/rlite-server,RepmujNetsik/redis,himoca/redis,csuhawk/redis,rrsean/redis-3.0-annotated,wuxiaowei907/annotated_redis_source,MOON-CLJ/redis,AplayER/redis,zguangyu/redis,nnog/redis,MSOpenTech/redis,mengyou0304/redis,roth1002/redis,davidradunz/redis,ncopa/redis,ErikDubbelboer/redis,j0hnma/hszredis,mumingv/redis,hornen/redis,hedisdb/hedis,dramenk/annotated_redis_source,nilyang/redis-tdd-annotation,hhli/redis,xlzhan/redis,wbailey5/redis,PradheepShrinivasan/redis,StevenTsai/redis,ton31337/redis,Hailei/redis,pietern/redis,haima-zju/redis-3.0-annotated,moonbingbing/redis-3.0-annotated,valdsJohn/redis,ttuna/msot-redis,Aliceljm1/redis-3.0-annotated,wuyu201321060203/redis-3.0-annotated,Aaron1992/redis,weizijun/redis,seandsky/redis,rouzier/redis,devaos/redis,LongXQ/redis,alenslan/redis,honestme/redis,pcarrier/redis,gilala/hbjredis,mumingv/redis,hhli/redis,clamoriniere1A/redis,xuguruogu/redis,h0x91b/redis,ouyangkongtong/redis,a-pavlov/redis,takeshineshiro/redis,ytjiang/redis,Aliceljm1/redis,jasonkying/redis,mcanthony/redis,josiahcarlson/redis,RepmujNetsik/redis,xlzhan/redis,ctripcorp/redis,wenxueliu/redis_comment,francischan714/redis,soloestoy/redis,pkdevbox/redis,mattsta/redis,yossigo/redis,wenxueliu/redis_comment,davidradunz/redis,YongMan/redis,4396/redis,OmarQunsul/graph-redis,universsky/redis,pedigree/redis,h0x91b/redis,Wangyao14cyy/redis,miaoyc1989/redis-3.0-annotated,sunheehnus/redis,seppo0010/rlite-server,Sciumo/redis,slfs007/mk-redis,atreeyang/redis,brg-liuwei/redis,wangyikai/redis,zczhuohuo/redis,mverrilli/redis,huangz1990/experiment-redis,gilala/hredis,shshlzh/redis-3.0-annotated,takeshineshiro/redis,antirez/redis,ctripcorp/redis,fengshao0907/redis,YuraLukashik/redis,HunanTV/redis,nuxeh/redis,seandsky/redis,hawkchch/redis,modulexcite/redis,AplayER/redis,josiahcarlson/redis,modulexcite/redis,spearhead-ea/redis,WorkingOfTimtohyZhang/redis-3.0-annotated,moonbingbing/redis-3.0-annotated,spinlock/redis,qiyang0221/redis,rogerchina/redis,gilala/redis,wuyu201321060203/redis-3.0-annotated,colstrom/redis,ReadCode/redis-3.0-annotated,simplestbest/redis,a-pavlov/redis,PKRoma/redis,machicao2013/redis-source-annotated,zy416548283/redis-3.0-annotated,riyan8250/redis,mgk/redis,july2993/redis,nuxeh/redis,gaoxianglong/redis,mengyou0304/redis,HunanTV/redis,Hailei/redis,badboy/redis,drinkthere/redis-3.0-annotated,fengshao0907/annotated_redis_source,MOON-CLJ/redis,ton31337/redis,CodeJuan/redis,ctripcorp/redis,aim-for-better/redis,viongpanzi/annotated_redis_source,a-pavlov/redis,zhoudayang/redis,oranagra/redis,cloudrain21/redis,ytjiang/redis,brg-liuwei/redis,rouzier/redis,gaoxianglong/redis,jermnelson/redis,tidatida/annotated_redis_source,mumingv/redis-3.0-annotated,sunheehnus/redis,mverrilli/redis,hedisdb/hedis,dreamquster/redis,ChaosCoo/annotated_redis_source,tidatida/annotated_redis_source,jasonkying/redis,taoguan/redis,jacklee0810/redis-3.0-annotated,allengaller/redis,huangz1990/redis-3.0-annotated,mverrilli/redis,jacklee0810/annotated_redis_source,twskipper/redis,fankeke/redis-3.0-annotated,GitHubMota/redis,louisliangjun/redis,ouyangkongtong/redis,MSOpenTech/redis,cloudrain21/redis,fengshao0907/annotated_redis_source,wprice/redis,mattsta/redis,gilala/redis,j0hnma/hszredis,antirez/redis,PradheepShrinivasan/redis,a-pavlov/redis,idning/redis,harrisonfeng/redis,0x20h/redis,Markgorden/redis,kmiku7/redis,jbochi/parallel_redis,mingyaaaa/redis,ketor/redis,JoeWoo/redis,Aliceljm1/redis,dayuoba/redis,drinkthere/redis-3.0-annotated,izhoujie/redis,nilyang/redis-tdd-annotation,holstvoogd/redis,0x55/redis-3.0-annotated,ipmobiletech/redis,LongXQ/redis,ituncle/redis,YuraLukashik/redis,guker/redis,xuzhezhaozhao/redis_reading,tellapart/redis,citusdata/redis,csuhawk/redis,darksideofthemoo/redis-histogram,190235047/redis,linfangrong/redis,qiyang0221/redis,pedigree/redis,qiyang0221/redis,SyntaxStacks/redis,kaushik94/redis,machicao2013/redis-source-annotated,adamweixuan/redis-3.0-annotated,shreesundara/redis,rouzier/redis,netroby/redis,itamarhaber/redis,nuxeh/redis,darksideofthemoo/redis-histogram,roth1002/redis,xuzhezhaozhao/redis_reading,gechong/redis-3.0-annotated,charsyam/redis,pkdevbox/redis,Sciumo/redis,healerkx/redis,charsyam/redis,mpalmer/redis,onlymellb/redis-3.0-annotated,YuanZhewei/redis,valdsJohn/redis,slfs007/mk-redis,unasm/redis-3.0-annotated,sunlianqiang/redis-3.0-annotated,louisliangjun/redis,alenslan/redis,nilyang/redis-tdd-annotation,jacklee0810/annotated_redis_source,GrimDerp/redis,clamoriniere1A/redis,supasate/redis,spearhead-ea/redis,oranagra/redis,csuhawk/redis,arijitvt/redis,mumingv/redis,SummonY/redis,z-fork/redis,valdsJohn/redis,july2993/redis,csuhawk/redis,modulexcite/redis,nnog/redis,AALEKH/redis,yossigo/redis,whille/redis-3.0-annotated,maodeyi/redis_lua,riyan8250/redis,mpalmer/redis,huangz1990/annotated_redis_source,neomantra/redis,rrsean/redis-3.0-annotated,GrimDerp/redis,mpalmer/redis,charsyam/redis,guker/redis,YuraLukashik/redis,yybirdcf/learn-redis,SummonY/redis,aim-for-better/redis,mumingv/redis,twskipper/redis,xuguruogu/redis,izhoujie/redis,gilala/hbjredis,gilala/hredis,ncopa/redis,zhaobo1023/redis-3.0-annotated,neomantra/redis,xuguruogu/redis,cusspvz/redis,darksideofthemoo/redis-histogram,YongMan/redis,tzq668766/redis-3.0-annotated,netroby/redis,hawkchch/redis,zhcy/redis,zczhuohuo/redis,mingyaaaa/redis,shshlzh/redis-3.0-annotated,antirez/redis,duanx/redis,mumingv/redis-3.0-annotated,yossigo/redis,xlzhan/redis,HeartSaVioR/redis,jacklee0810/redis-3.0-annotated,elkingtonmcb/redis,gspandy/annotated_redis_source,YuanZhewei/redis,jxwr/redis,ttuna/msot-redis,zhaobo1023/redis-3.0-annotated,mengzhejin/RedisStudy,h0x91b/redis,slfs007/mk-redis,WorkingOfTimtohyZhang/redis-3.0-annotated,hgl888/redis,StevenTsai/redis,GitHubMota/redis,arijitvt/redis,vincent-vivian-liu/redis,zhoudayang/redis,CodeJuan/redis,pedigree/redis,danny200309/annotated_redis_source,zhcy/redis,ctripcorp/redis,ituncle/redis,neomantra/redis,universsky/redis,JoeWoo/redis,tanghaodong25/redis,jingjidejuren/redis,fengshao0907/redis-3.0-annotated,Aaron1992/redis,alenslan/redis,hornen/redis,simplestbest/redis,mgk/redis,oranagra/redis,0x20h/redis,viongpanzi/annotated_redis_source,flashbuckets/redis,simplestbest/redis,PKRoma/redis,Aliceljm1/redis,AALEKH/redis,fengshao0907/redis,WorkingOfTimtohyZhang/redis-3.0-annotated,programmecat/redis,splitice/redis,machicao2013/redis-source-annotated,dreamquster/redis,citusdata/redis,vincent-vivian-liu/redis,huangz1990/experiment-redis,xlzhan/redis,ramonsnir/redis,abhiklodh/redis,hhli/redis,jermnelson/redis,ChaosCoo/annotated_redis_source,ytjiang/redis,yuzhangjob/redis-3.0-annotated-unstable,seppo0010/redis,rrsean/redis-3.0-annotated,supasate/redis,drinkthere/redis-3.0-annotated,antirez/redis,ReadCode/redis-3.0-annotated,HunanTV/redis,francischan714/redis,dongqifan2/redis-3.0-annotated,xuzhezhaozhao/redis_reading,MasahikoSawada/redis,pmem/redis,huangz1990/experiment-redis,ttuna/msot-redis,Hailei/redis,shining-yang/redis,badboy/redis,saisai/redis,soloestoy/redis,YuanZhewei/redis,YuanZhewei/redis,saisai/redis,huangz1990/redis-3.0-annotated,takeshineshiro/redis,tzq668766/redis-3.0-annotated,LongXQ/redis,ytjiang/redis,duanx/redis,itugs/redis,Wangyao14cyy/redis,YongMan/redis,pietern/redis,narma/redis,jackyan/redis,devaos/redis,iandyh/redis,buobao/redis-3.0-annotated,weizijun/redis,jermnelson/redis,wangyikai/redis,huyuezheng/redis,aluzzardi/redis,xujunhai1991/redis,tidatida/annotated_redis_source,wenxueliu/redis_comment,rogerchina/redis,simplestbest/redis,mengzhejin/RedisStudy,zguangyu/redis,gilala/bjredis,wangyikai/redis,miaoyc1989/redis-3.0-annotated,badboy/redis,CodeJuan/redis,himoca/redis,xuzhezhaozhao/redis_reading,xuguruogu/redis,zhoudayang/redis,ksarch-saas/redis,j0hnma/szredis,ksarch-saas/redis,colstrom/redis,wujf/redis,sunheehnus/redis,ketor/redis,PradheepShrinivasan/redis,h0x91b/redis,RepmujNetsik/redis,jingjidejuren/redis,brg-liuwei/redis,gilala/redis,AplayER/redis,tanghaodong25/redis,wprice/redis,jbochi/parallel_redis,izhoujie/redis,YongMan/redis,gilala/hbjredis,sunlianqiang/redis-3.0-annotated,ChanningDuan/annotated_redis_source,shining-yang/redis,louisliangjun/redis,gongice/redis-3.0-annotated,zy416548283/redis-3.0-annotated,idning/redis,Cisphyx/redis-websockets,taoguan/redis,cnbin/redis,4396/redis,ofirluzon/redis,holstvoogd/redis,nilyang/redis-tdd-annotation,AplayER/redis,dramenk/annotated_redis_source,moonbingbing/redis-3.0-annotated,fengshao0907/redis-3.0-annotated,zhiliaoniu/redis,darksideofthemoo/redis-histogram,thomasdarimont/redis,alenslan/redis,janekmi/redis,valdsJohn/redis,ChanningDuan/annotated_redis_source,timothyohare/3rdPartySrc-redis,timothyohare/3rdPartySrc-redis,sunlianqiang/redis-3.0-annotated,j0hnma/hszredis,Aaron1992/redis,aluzzardi/redis,hgl888/redis,PradheepShrinivasan/redis,saisai/redis,huangz1990/redis-3.0-annotated,adamweixuan/redis-3.0-annotated,mengyou0304/redis,hawkchch/redis,dreamquster/redis,rogerlz/redis,nnog/redis,arijitvt/redis,hornen/redis,idning/redis,himoca/redis,programmecat/redis,z-fork/redis,HouKangkang/redis-3.0-annotated,rogerlz/redis,universsky/redis,hgl888/redis,j0hnma/szredis,spinlock/redis,splitice/redis,modulexcite/redis,gechong/redis-3.0-annotated,aim-for-better/redis,gongice/redis-3.0-annotated,miaoyc1989/redis-3.0-annotated,0x20h/redis,ttuna/msot-redis,magastzheng/redis-3.0-annotated,zhcy/redis,blackmady/redis,elkingtonmcb/redis,kmiku7/redis,MasahikoSawada/redis,allengaller/redis,magastzheng/redis-3.0-annotated,riyan8250/redis,jxwr/redis,yuhc/redis-benchmark-enhanced,jbochi/parallel_redis,july2993/redis,shining-yang/redis,ituncle/redis,spinlock/redis,flashbuckets/redis,StevenTsai/redis,guker/redis,citusdata/redis,itamarhaber/redis,shshlzh/redis-3.0-annotated,kaushik94/redis,JoeWoo/redis,linfangrong/redis,yossigo/redis,ErikDubbelboer/redis,elkingtonmcb/redis,thomasdarimont/redis,z-fork/redis,wuxiaowei907/annotated_redis_source,ofirluzon/redis,shining-yang/redis,ttuna/msot-redis,seandsky/redis,ofirluzon/redis,OmarQunsul/graph-redis,0x55/redis-3.0-annotated,programmecat/redis,gspandy/annotated_redis_source,maodeyi/redis_lua,Cisphyx/redis-websockets,dramenk/annotated_redis_source,soveran/redis,itugs/redis,yybirdcf/learn-redis,Soledad89/redis,taoguan/redis,190235047/redis,fengshao0907/annotated_redis_source,badboy/redis,jackyan/redis,fankeke/redis-3.0-annotated,narma/redis,twskipper/redis,davidradunz/redis,thomasdarimont/redis,ton31337/redis,thomasdarimont/redis,brg-liuwei/redis,guker/redis,gaoxianglong/redis,GitHubMota/redis,pietern/redis,viongpanzi/annotated_redis_source,jasonkying/redis,ChanningDuan/annotated_redis_source,seppo0010/redis,sunheehnus/redis,netroby/redis,Sciumo/redis,xujunhai1991/redis,nuxeh/redis,fankeke/redis-3.0-annotated,july2993/redis,ouyangkongtong/redis,honestme/redis,tjschuck/redis,Markgorden/redis,mgk/redis,Markgorden/redis,haima-zju/redis-3.0-annotated,mgk/redis,Wangyao14cyy/redis,ErikDubbelboer/redis,kaushik94/redis,danny200309/annotated_redis_source,davidradunz/redis,atreeyang/redis,Soledad89/redis,4396/redis,hornen/redis,SyntaxStacks/redis,ksarch-saas/redis,splitice/redis,MSOpenTech/redis,oranagra/redis,tellapart/redis,HeartSaVioR/redis,josiahcarlson/redis,SyntaxStacks/redis,yossigo/redis,ofirluzon/redis,mengyou0304/redis,soveran/redis,jxwr/redis,soveran/redis,msn217/redis-3.0-annotated,miaoyc1989/redis-3.0-annotated,yybirdcf/learn-redis,cloudrain21/redis,adamweixuan/redis-3.0-annotated,mcanthony/redis,shshlzh/redis-3.0-annotated,clamoriniere1A/redis,duanx/redis,Hailei/redis,blackmady/redis,jingjidejuren/redis,takeshineshiro/redis,holstvoogd/redis,saisai/redis,jingjidejuren/redis,soveran/redis,flashbuckets/redis,janekmi/redis,maodeyi/redis_lua,clamoriniere1A/redis,SummonY/redis,pcarrier/redis,wuxiaowei907/annotated_redis_source,allengaller/redis,whille/redis-3.0-annotated,jbochi/redis,mverrilli/redis,flashbuckets/redis,NBSW/redis,unasm/redis-3.0-annotated,whille/redis-3.0-annotated,roth1002/redis,itamarhaber/redis,wbailey5/redis,gilala/redis,zhiliaoniu/redis,weizijun/redis,seppo0010/redis,supasate/redis,ituncle/redis,honestme/redis,blackmady/redis,MOON-CLJ/redis,dongqifan2/redis-3.0-annotated,ksarch-saas/redis,hgl888/redis,harrisonfeng/redis,rogerchina/redis,cnbin/redis,mumingv/redis-3.0-annotated,aluzzardi/redis,MSOpenTech/redis,j0hnma/szredis,zhoudayang/redis,wuyu201321060203/redis-3.0-annotated,harrisonfeng/redis,tellapart/redis,YuraLukashik/redis,ouyangkongtong/redis,yuzhangjob/redis-3.0-annotated-unstable,j0hnma/szredis,Aaron1992/redis,gilala/bjredis,devaos/redis,kaushik94/redis,4396/redis,ncopa/redis,pmem/redis,MasahikoSawada/redis,zczhuohuo/redis,soloestoy/redis,onlymellb/redis-3.0-annotated,huyuezheng/redis,ketor/redis,pkdevbox/redis,0x20h/redis,charsyam/redis,zguangyu/redis,iandyh/redis,Wangyao14cyy/redis,Cisphyx/redis-websockets,fengshao0907/redis-3.0-annotated,StevenTsai/redis,colstrom/redis,190235047/redis,netroby/redis,cusspvz/redis,buobao/redis-3.0-annotated,gaoxianglong/redis,zhcy/redis,seppo0010/redis,tjschuck/redis,aluzzardi/redis,ipmobiletech/redis,neomantra/redis,cnbin/redis,atreeyang/redis,holstvoogd/redis,figoxu/annotated_redis_source,spearhead-ea/redis,pmem/redis,PKRoma/redis,healerkx/redis,mattsta/redis,timothyohare/3rdPartySrc-redis,izhoujie/redis,arijitvt/redis,msn217/redis-3.0-annotated,honestme/redis,abhiklodh/redis,atreeyang/redis,mpalmer/redis,hedisdb/hedis,huangz1990/annotated_redis_source,josiahcarlson/redis,kensou97/redis,nnog/redis,vincent-vivian-liu/redis,universsky/redis