Cluster: redis-trib help output improved.
Cluster: redis-trib help output improved.

Show options if any. Clarify that for some command any node address is
ok.

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