Add bash completion for `service {create,update} --group-{add,rm}`
Add bash completion for `service {create,update} --group-{add,rm}`

Signed-off-by: Harald Albers <64b2b6d12bfe4baae7dad3d018f8cbf6b0e7a044@albersweb.de>

ibuildthecloud/docker,mikedougherty/docker,tophj-ibm/moby,gjaskiewicz/moby,crosbymichael/docker,danyalKhaliq10p/moby,x1022as/docker,tianon/docker,jlhawn/docker,coreos/docker,ripcurld0/moby,PatrickLang/moby,portworx/docker,xiaods/docker,AkihiroSuda/docker,ColinHebert/docker,laijs/docker,YuPengZTE/docker,gnailuy/docker,HideoYamauchi/docker,scotttlin/docker,erikstmartin/docker,yosifkit/docker,danyalKhaliq10p/moby,ripcurld0/moby,djs55/docker,JMesser81/docker,unclejack/docker,nalind/docker,ibuildthecloud/docker,pradipd/moby,portworx/docker,liaoqingwei/docker,shhsu/docker,tagomoris/docker,jameszhan/docker,tophj-ibm/moby,yasiramin10p/moby,vdemeester/docker,dmcgowan/docker,JMesser81/docker,paralin/docker,sfsmithcha/docker,harche/docker,bearstech/moby,maxamillion/docker,thtanaka/docker,Ramzec/docker,diogomonica/docker,q384566678/docker,Mokolea/docker,konstruktoid/docker-1,ffoysal/docker,moypray/docker,hqhq/moby,tonistiigi/docker,Syntaxide/docker,xuxinkun/docker,kolyshkin/docker,tagomoris/docker,moul/docker,tianon/docker,mahak/docker,alfred-landrum/docker,lixiaobing1/docker,shhsu/docker,mtesselH/docker,konstruktoid/docker-upstream,ibuildthecloud/docker,ColinHebert/docker,sterchelen/docker,tklauser/docker,jvanz/docker,estesp/docker,tklauser/docker,paralin/docker,flavio/docker,mahak/docker,haveatry/docker,kencochrane/docker,sarnautov/moby,konstruktoid/docker-upstream,kolyshkin/moby,thaJeztah/docker,AkihiroSuda/docker,catinthesky/docker,mtesselH/docker,qudongfang/docker,paralin/docker,mixja/docker,msabansal/docker,Syntaxide/docker,xuxinkun/docker,nalind/docker,erikstmartin/docker,whuwxl/docker,trebonian/docker,diogomonica/docker,sarnautov/moby,ripcurld0/moby,yongtang/docker,SvenDowideit/docker,jwhonce/docker,darrenstahlmsft/moby,michelvocks/docker,justincormack/docker,shishir-a412ed/docker,tophj-ibm/moby,trebonian/docker,prertik/docker,kencochrane/docker,endophage/docker,naveed-jamil-tenpearls/moby,tklauser/docker,dperny/docker,prertik/docker,sdurrheimer/docker,dsheets/moby,miminar/docker,coolljt0725/docker,kolyshkin/moby,erikstmartin/docker,paralin/docker,SvenDowideit/docker,gschaetz/moby,darrenstahlmsft/docker,nawawi/docker,konstruktoid/docker-upstream,tmp6154/docker,liaoqingwei/docker,kojiromike/docker,rancher/docker,jvanz/docker,mikebrow/docker,naveed-jamil-tenpearls/moby,ColinHebert/docker,lixiaobing10051267/docker,erikh/docker,docker/docker,moby/moby,x1022as/docker,yongtang/docker,mixja/docker,dsheets/moby,amatsus/docker,bonczj/moby-json-file-logger,shishir-a412ed/docker,tagomoris/docker,coreos/docker,yummypeng/docker,justincormack/docker,tophj-ibm/docker,moby/moby,mstanleyjones/docker,dperny/docker,POLJM242/docker,gnailuy/docker,akira-baruah/docker,yasiramin10p/moby,resin-io/docker,coolljt0725/docker,yosifkit/docker,AkihiroSuda/docker,miminar/docker,laijs/moby,Ramzec/docker,YuPengZTE/docker,PatrickLang/moby,harche/docker,stevvooe/docker,KingEmet/docker,thaJeztah/docker,jlhawn/docker,jthelin/docker,noironetworks/docker,imkin/moby,alfred-landrum/docker,fcrisciani/docker,lixiaobing1/docker,noironetworks/docker,gjaskiewicz/moby,pradipd/moby,darrenstahlmsft/docker,darrenstahlmsft/moby,johnstep/moby-moby,jimjag/docker,allencloud/docker,tonistiigi/docker,maxamillion/docker,jthelin/docker,darrenstahlmsft/moby,KarthikNayak/docker,laijs/moby,mtrmac/docker,nawawi/docker,endophage/docker,mkumatag/docker,gnailuy/docker,srust/docker,imkin/moby,docker/docker,jimjag/docker,jimjag/docker,yosifkit/docker,dims/docker,bearstech/moby,maxamillion/docker,q384566678/docker,resin-io/docker,crosbymichael/docker,coolljt0725/docker,thaJeztah/docker,allencloud/docker,haveatry/docker,jvanz/docker,mike1729/docker,sdurrheimer/docker,POLJM242/docker,rremer/moby,whuwxl/docker,mahak/docker,vdemeester/docker,portworx/docker,kojiromike/docker,raja-sami-10p/moby,danyalKhaliq10p/moby,kolyshkin/moby,vdemeester/docker,Ramzec/docker,charleszheng44/moby,dccurtis/docker,stevvooe/docker,gschaetz/moby,mkumatag/docker,lixiaobing1/docker,duglin/docker,endophage/docker,thtanaka/docker,rhatdan/docker,mikebrow/docker,xuxinkun/docker,JMesser81/docker,Ramzec/docker,scotttlin/docker,rhatdan/docker,diogomonica/docker,moby/moby,lixiaobing10051267/docker,nawawi/docker,KingEmet/docker,KarthikNayak/docker,moby/moby,yosifkit/docker,sarnautov/moby,yongtang/docker,ibuildthecloud/docker,raja-sami-10p/moby,justincormack/docker,cyphar/docker,stevvooe/docker,pramodhkp/moby,moul/docker,dmcgowan/docker,SvenDowideit/docker,msabansal/docker,crosbymichael/docker,johnstep/moby-moby,charleszheng44/moby,flavio/docker,Mokolea/docker,yummypeng/docker,dgageot/docker,bearstech/moby,gschaetz/moby,dgageot/docker,moul/docker,Mokolea/docker,laijs/docker,kojiromike/docker,dccurtis/docker,PatrickLang/moby,djs55/docker,mtrmac/docker,allencloud/docker,resin-io/docker,sterchelen/docker,cpuguy83/docker,estesp/docker,mike1729/docker,catinthesky/docker,dims/docker,pradipd/moby,cyphar/docker,gnailuy/docker,imkin/moby,unclejack/docker,tmp6154/docker,shhsu/docker,jameszhan/docker,laijs/moby,mstanleyjones/docker,jwhonce/docker,raja-sami-10p/moby,whuwxl/docker,cpuguy83/docker,mstanleyjones/docker,akira-baruah/docker,jwhonce/docker,madhanrm/docker,nalind/docker,thaJeztah/docker,noironetworks/docker,sdurrheimer/docker,mixja/docker,cyphar/docker,HideoYamauchi/docker,haveatry/docker,prertik/docker,rancher/docker,estesp/docker,dgageot/docker,naveed-jamil-tenpearls/moby,catinthesky/docker,ffoysal/docker,jimjag/docker,jlhawn/docker,konstruktoid/docker-1,rancher/docker,madhanrm/docker,KarthikNayak/docker,harche/docker,dims/docker,duglin/docker,mahak/docker,sfsmithcha/docker,alfred-landrum/docker,hqhq/moby,miminar/docker,qudongfang/docker,ibuildthecloud/docker,srust/docker,scotttlin/docker,liaoqingwei/docker,Syntaxide/docker,sfsmithcha/docker,moul/docker,qudongfang/docker,cpuguy83/docker,fcrisciani/docker,pramodhkp/moby,kunalkushwaha/docker,mtesselH/docker,mikedougherty/docker,ndeloof/docker,mike1729/docker,yasiramin10p/moby,flavio/docker,dmcgowan/docker,erikh/docker,coreos/docker,flavio/docker,cpuguy83/docker,moypray/docker,johnstep/moby-moby,AkihiroSuda/docker,nawawi/docker,ffoysal/docker,amatsus/docker,michael-holzheu/docker,fcrisciani/docker,erikh/docker,rremer/moby,konstruktoid/docker-upstream,michael-holzheu/docker,duglin/docker,q384566678/docker,YuPengZTE/docker,sterchelen/docker,dsheets/moby,kunalkushwaha/docker,thtanaka/docker,konstruktoid/docker-1,bonczj/moby-json-file-logger,gjaskiewicz/moby,rremer/moby,yummypeng/docker,bonczj/moby-json-file-logger,trebonian/docker,dperny/docker,madhanrm/docker,kolyshkin/docker,dccurtis/docker,x1022as/docker,xiaods/docker,kunalkushwaha/docker,tophj-ibm/docker,laijs/docker,michael-holzheu/docker,darrenstahlmsft/docker,trebonian/docker,hqhq/moby,msabansal/docker,bearstech/moby,pramodhkp/moby,mikedougherty/docker,HideoYamauchi/docker,KingEmet/docker,mkumatag/docker,mikebrow/docker,ndeloof/docker,rhatdan/docker,charleszheng44/moby,Mokolea/docker,michelvocks/docker,djs55/docker,docker/docker,amatsus/docker,moypray/docker,srust/docker,mtrmac/docker,kencochrane/docker,tophj-ibm/docker,jameszhan/docker,unclejack/docker,nalind/docker,shishir-a412ed/docker,lixiaobing10051267/docker,ndeloof/docker,tmp6154/docker,xiaods/docker,michelvocks/docker,tonistiigi/docker