Only allow basenames for dbfilename and appendfilename.
Only allow basenames for dbfilename and appendfilename.

This fixes issue #1094.

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