Upgrade Redis requirement check to 2.4.0 per https://github.com/mperham/sidekiq/pull/957
Upgrade Redis requirement check to 2.4.0 per https://github.com/mperham/sidekiq/pull/957

Closes #2222

Closes #2445

daiyu/gitlab-zh,openwide-java/gitlabhq,allistera/gitlabhq,jrjang/gitlab-ce,koreamic/gitlabhq,folpindo/gitlabhq,jrjang/gitlabhq,mmkassem/gitlabhq,iiet/iiet-git,theonlydoo/gitlabhq,fantasywind/gitlabhq,dreampet/gitlab,chenrui2014/gitlabhq,ordiychen/gitlabhq,shinexiao/gitlabhq,aaronsnyder/gitlabhq,dreampet/gitlab,Datacom/gitlabhq,since2014/gitlabhq,vjustov/gitlabhq,ferdinandrosario/gitlabhq,nguyen-tien-mulodo/gitlabhq,screenpages/gitlabhq,allysonbarros/gitlabhq,t-zuehlsdorff/gitlabhq,ksoichiro/gitlabhq,louahola/gitlabhq,aaronsnyder/gitlabhq,fpgentil/gitlabhq,TheWatcher/gitlabhq,MauriceMohlek/gitlabhq,OlegGirko/gitlab-ce,Telekom-PD/gitlabhq,copystudy/gitlabhq,jrjang/gitlabhq,jirutka/gitlabhq,SVArago/gitlabhq,mrb/gitlabhq,pulkit21/gitlabhq,cui-liqiang/gitlab-ce,darkrasid/gitlabhq,louahola/gitlabhq,htve/GitlabForChinese,fpgentil/gitlabhq,since2014/gitlabhq,dplarson/gitlabhq,jrjang/gitlab-ce,whluwit/gitlabhq,szechyjs/gitlabhq,szechyjs/gitlabhq,folpindo/gitlabhq,theonlydoo/gitlabhq,vjustov/gitlabhq,pulkit21/gitlabhq,dukex/gitlabhq,mmkassem/gitlabhq,liyakun/gitlabhq,shinexiao/gitlabhq,delkyd/gitlabhq,aaronsnyder/gitlabhq,pulkit21/gitlabhq,jirutka/gitlabhq,shinexiao/gitlabhq,daiyu/gitlab-zh,cui-liqiang/gitlab-ce,yatish27/gitlabhq,screenpages/gitlabhq,kemenaran/gitlabhq,ksoichiro/gitlabhq,sonalkr132/gitlabhq,Devin001/gitlabhq,stanhu/gitlabhq,TheWatcher/gitlabhq,fscherwi/gitlabhq,mrb/gitlabhq,Razer6/gitlabhq,icedwater/gitlabhq,jrjang/gitlabhq,mr-dxdy/gitlabhq,aaronsnyder/gitlabhq,stoplightio/gitlabhq,TheWatcher/gitlabhq,ttasanen/gitlabhq,darkrasid/gitlabhq,k4zzk/gitlabhq,folpindo/gitlabhq,ksoichiro/gitlabhq,Soullivaneuh/gitlabhq,fantasywind/gitlabhq,Tyrael/gitlabhq,axilleas/gitlabhq,larryli/gitlabhq,ttasanen/gitlabhq,chenrui2014/gitlabhq,martijnvermaat/gitlabhq,LUMC/gitlabhq,yatish27/gitlabhq,duduribeiro/gitlabhq,martijnvermaat/gitlabhq,joalmeid/gitlabhq,daiyu/gitlab-zh,openwide-java/gitlabhq,jirutka/gitlabhq,copystudy/gitlabhq,NKMR6194/gitlabhq,allistera/gitlabhq,LUMC/gitlabhq,ikappas/gitlabhq,cui-liqiang/gitlab-ce,folpindo/gitlabhq,duduribeiro/gitlabhq,since2014/gitlabhq,allistera/gitlabhq,Exeia/gitlabhq,darkrasid/gitlabhq,k4zzk/gitlabhq,Datacom/gitlabhq,iiet/iiet-git,dreampet/gitlab,stanhu/gitlabhq,SVArago/gitlabhq,jirutka/gitlabhq,ttasanen/gitlabhq,duduribeiro/gitlabhq,Datacom/gitlabhq,ikappas/gitlabhq,wangcan2014/gitlabhq,wangcan2014/gitlabhq,Devin001/gitlabhq,wangcan2014/gitlabhq,htve/GitlabForChinese,chenrui2014/gitlabhq,Exeia/gitlabhq,gopeter/gitlabhq,vjustov/gitlabhq,joalmeid/gitlabhq,dplarson/gitlabhq,whluwit/gitlabhq,axilleas/gitlabhq,salipro4ever/gitlabhq,fscherwi/gitlabhq,delkyd/gitlabhq,sonalkr132/gitlabhq,OlegGirko/gitlab-ce,MauriceMohlek/gitlabhq,sue445/gitlabhq,ferdinandrosario/gitlabhq,mr-dxdy/gitlabhq,OtkurBiz/gitlabhq,stanhu/gitlabhq,jaepyoung/gitlabhq,Razer6/gitlabhq,Tyrael/gitlabhq,sue445/gitlabhq,yatish27/gitlabhq,fscherwi/gitlabhq,martijnvermaat/gitlabhq,jrjang/gitlabhq,OtkurBiz/gitlabhq,whluwit/gitlabhq,vjustov/gitlabhq,iiet/iiet-git,Datacom/gitlabhq,kemenaran/gitlabhq,openwide-java/gitlabhq,OlegGirko/gitlab-ce,dukex/gitlabhq,dwrensha/gitlabhq,sue445/gitlabhq,nguyen-tien-mulodo/gitlabhq,MauriceMohlek/gitlabhq,kemenaran/gitlabhq,larryli/gitlabhq,ksoichiro/gitlabhq,fscherwi/gitlabhq,ikappas/gitlabhq,ordiychen/gitlabhq,salipro4ever/gitlabhq,stoplightio/gitlabhq,dplarson/gitlabhq,szechyjs/gitlabhq,larryli/gitlabhq,yfaizal/gitlabhq,ordiychen/gitlabhq,dwrensha/gitlabhq,fantasywind/gitlabhq,szechyjs/gitlabhq,ttasanen/gitlabhq,kemenaran/gitlabhq,stanhu/gitlabhq,mrb/gitlabhq,ferdinandrosario/gitlabhq,LUMC/gitlabhq,wangcan2014/gitlabhq,stoplightio/gitlabhq,whluwit/gitlabhq,htve/GitlabForChinese,copystudy/gitlabhq,Soullivaneuh/gitlabhq,t-zuehlsdorff/gitlabhq,fpgentil/gitlabhq,H3Chief/gitlabhq,koreamic/gitlabhq,dukex/gitlabhq,MauriceMohlek/gitlabhq,jaepyoung/gitlabhq,dreampet/gitlab,iiet/iiet-git,jrjang/gitlab-ce,cui-liqiang/gitlab-ce,yfaizal/gitlabhq,SVArago/gitlabhq,Soullivaneuh/gitlabhq,axilleas/gitlabhq,icedwater/gitlabhq,ordiychen/gitlabhq,liyakun/gitlabhq,sue445/gitlabhq,koreamic/gitlabhq,t-zuehlsdorff/gitlabhq,pulkit21/gitlabhq,H3Chief/gitlabhq,ferdinandrosario/gitlabhq,liyakun/gitlabhq,nguyen-tien-mulodo/gitlabhq,LUMC/gitlabhq,Razer6/gitlabhq,OlegGirko/gitlab-ce,chenrui2014/gitlabhq,shinexiao/gitlabhq,fantasywind/gitlabhq,allysonbarros/gitlabhq,openwide-java/gitlabhq,mr-dxdy/gitlabhq,sonalkr132/gitlabhq,Telekom-PD/gitlabhq,allysonbarros/gitlabhq,theonlydoo/gitlabhq,Devin001/gitlabhq,OtkurBiz/gitlabhq,axilleas/gitlabhq,H3Chief/gitlabhq,SVArago/gitlabhq,jrjang/gitlab-ce,Telekom-PD/gitlabhq,mr-dxdy/gitlabhq,mmkassem/gitlabhq,stoplightio/gitlabhq,darkrasid/gitlabhq,Tyrael/gitlabhq,Exeia/gitlabhq,screenpages/gitlabhq,icedwater/gitlabhq,nguyen-tien-mulodo/gitlabhq,ikappas/gitlabhq,delkyd/gitlabhq,yfaizal/gitlabhq,pjknkda/gitlabhq,Soullivaneuh/gitlabhq,mmkassem/gitlabhq,Razer6/gitlabhq,salipro4ever/gitlabhq,jaepyoung/gitlabhq,duduribeiro/gitlabhq,Exeia/gitlabhq,liyakun/gitlabhq,gopeter/gitlabhq,dukex/gitlabhq,joalmeid/gitlabhq,sonalkr132/gitlabhq,yatish27/gitlabhq,dplarson/gitlabhq,gopeter/gitlabhq,dwrensha/gitlabhq,TheWatcher/gitlabhq,martijnvermaat/gitlabhq,dwrensha/gitlabhq,k4zzk/gitlabhq,koreamic/gitlabhq,louahola/gitlabhq,jaepyoung/gitlabhq,louahola/gitlabhq,allysonbarros/gitlabhq,salipro4ever/gitlabhq,pjknkda/gitlabhq,pjknkda/gitlabhq,allistera/gitlabhq,joalmeid/gitlabhq,htve/GitlabForChinese,mrb/gitlabhq,gopeter/gitlabhq,H3Chief/gitlabhq,Devin001/gitlabhq,delkyd/gitlabhq,NKMR6194/gitlabhq,pjknkda/gitlabhq,OtkurBiz/gitlabhq,k4zzk/gitlabhq,Tyrael/gitlabhq,since2014/gitlabhq,Telekom-PD/gitlabhq,larryli/gitlabhq,t-zuehlsdorff/gitlabhq,NKMR6194/gitlabhq,NKMR6194/gitlabhq,icedwater/gitlabhq,screenpages/gitlabhq,yfaizal/gitlabhq,daiyu/gitlab-zh,theonlydoo/gitlabhq,copystudy/gitlabhq,fpgentil/gitlabhq