Doc for update from 5.3 to 5.4
Doc for update from 5.3 to 5.4

icedwater/gitlabhq,folpindo/gitlabhq,0x20h/gitlabhq,allistera/gitlabhq,atomaka/gitlabhq,fgbreel/gitlabhq,larryli/gitlabhq,vjustov/gitlabhq,delkyd/gitlabhq,louahola/gitlabhq,manfer/gitlabhq,tk23/gitlabhq,duduribeiro/gitlabhq,WSDC-NITWarangal/gitlabhq,pkgr/gitlabhq,chenrui2014/gitlabhq,NuLL3rr0r/gitlabhq,gorgee/gitlabhq,fearenales/gitlabhq,koreamic/gitlabhq,hzy001/gitlabhq,tk23/gitlabhq,flashbuckets/gitlabhq,yfaizal/gitlabhq,pjknkda/gitlabhq,Tyrael/gitlabhq,dvrylc/gitlabhq,bladealslayer/gitlabhq,zBMNForks/gitlabhq,akumetsuv/gitlab,sideci-sample/sideci-sample-gitlabhq,Telekom-PD/gitlabhq,8thcolor/rubyconfau2015-sadr,dukex/gitlabhq,michaKFromParis/sparkslab,fearenales/gitlabhq,rumpelsepp/gitlabhq,darkrasid/gitlabhq,cncodog/gitlab,hacsoc/gitlabhq,bigsurge/gitlabhq,DanielZhangQingLong/gitlabhq,jrjang/gitlab-ce,daiyu/gitlab-zh,johnmyqin/gitlabhq,jrjang/gitlab-ce,jairzh/gitlabhq-sfdc,chadyred/gitlabhq,mathstuf/gitlabhq,NARKOZ/gitlabhq,TheWatcher/gitlabhq,theodi/gitlabhq,dukex/gitlabhq,fantasywind/gitlabhq,dwrensha/gitlabhq,DanielZhangQingLong/gitlabhq,hacsoc/gitlabhq,TheWatcher/gitlabhq,tim-hoff/gitlabhq,windymid/test2,aaronsnyder/gitlabhq,darkrasid/gitlabhq,bbodenmiller/gitlabhq,zBMNForks/gitlabhq,kemenaran/gitlabhq,xuvw/gitlabhq,aaronsnyder/gitlabhq,Devin001/gitlabhq,axilleas/gitlabhq,fantasywind/gitlabhq,Kambda/Mobbr,dplarson/gitlabhq,williamherry/gitlabhq,gopeter/gitlabhq,rhels/gitlabhq,Datacom/gitlabhq,kitech/gitlabhq,nmav/gitlabhq,daiyu/gitlab-zh,julianengel/gitlabhq,stellamiranda/mobbr-gitlabhq,per-garden/gitlabhq,H3Chief/gitlabhq,fendoudeqingchunhh/gitlabhq,fscherwi/gitlabhq,jirutka/gitlabhq,michaKFromParis/gitlabhqold,aaronsnyder/gitlabhq,hzy001/gitlabhq,since2014/gitlabhq,Keystion/gitlabhq,sonalkr132/gitlabhq,hacsoc/gitlabhq,tempbottle/gitlabhq,LytayTOUCH/gitlabhq,123Haynes/gitlabhq,8thcolor/testing-public-gitlabhq,mrb/gitlabhq,kemenaran/gitlabhq,sonalkr132/gitlabhq,pkgr/gitlabhq,Kambda/Mobbr,theonlydoo/gitlabhq,openwide-java/gitlabhq,tempbottle/gitlabhq,LUMC/gitlabhq,Keystion/gitlabhq,liyakun/gitlabhq,0x20h/gitlabhq,cinderblock/gitlabhq,pkgr/gitlabhq,since2014/gitlabhq,michaKFromParis/gitlabhq,hq804116393/gitlabhq,gopeter/gitlabhq,fpgentil/gitlabhq,Telekom-PD/gitlabhq,nguyen-tien-mulodo/gitlabhq,larryli/gitlabhq,sekcheong/gitlabhq,Telekom-PD/gitlabhq,jrjang/gitlab-ce,tim-hoff/gitlabhq,whluwit/gitlabhq,aaronsnyder/gitlabhq,SVArago/gitlabhq,screenpages/gitlabhq,htve/GitlabForChinese,copystudy/gitlabhq,DanielZhangQingLong/gitlabhq,t-zuehlsdorff/gitlabhq,mmkassem/gitlabhq,martijnvermaat/gitlabhq,bigsurge/gitlabhq,k4zzk/gitlabhq,pupaxxo/gitlabhq,jairzh/gitlabhq-sfdc,stoplightio/gitlabhq,hzy001/gitlabhq,k4zzk/gitlabhq,pkallberg/tjenare,ttasanen/gitlabhq,eliasp/gitlabhq,Burick/gitlabhq,salipro4ever/gitlabhq,fgbreel/gitlabhq,it33/gitlabhq,rumpelsepp/gitlabhq,kemenaran/gitlabhq,ferdinandrosario/gitlabhq,Keystion/gitlabhq,achako/gitlabhq,martijnvermaat/gitlabhq,LUMC/gitlabhq,MauriceMohlek/gitlabhq,allistera/gitlabhq,johnmyqin/gitlabhq,OlegGirko/gitlab-ce,sakishum/gitlabhq,jrjang/gitlabhq,jvanbaarsen/gitlabhq,LUMC/gitlabhq,youprofit/gitlabhq,ayufan/gitlabhq,ZeoAlliance/gitlabhq,larryli/gitlabhq,copystudy/gitlabhq,jrjang/gitlab-ce,theonlydoo/gitlabhq,Burick/gitlabhq,shinexiao/gitlabhq,rebecamendez/gitlabhq,Kambda/mobbr-gitlabhq,daiyu/gitlab-zh,ayufan/gitlabhq,axilleas/gitlabhq,mathstuf/gitlabhq,lvfeng1130/gitlabhq,rhels/gitlabhq,screenpages/gitlabhq,Exeia/gitlabhq,goeun/myRepo,darkrasid/gitlabhq,nguyen-tien-mulodo/gitlabhq,screenpages/gitlabhq,Razer6/gitlabhq,sideci-sample/sideci-sample-gitlabhq,dreampet/gitlab,chadyred/gitlabhq,cui-liqiang/gitlab-ce,kotaro-dev/gitlab-6-9,mr-dxdy/gitlabhq,Razer6/gitlabhq,sideci-sample/sideci-sample-gitlabhq,salipro4ever/gitlabhq,sakishum/gitlabhq,dwrensha/gitlabhq,ibiart/gitlabhq,Soullivaneuh/gitlabhq,akumetsuv/gitlab,Soullivaneuh/gitlabhq,martinma4/gitlabhq,neiljbrookes/glab,mrb/gitlabhq,initiummedia/gitlabhq,mente/gitlabhq,shinexiao/gitlabhq,mmkassem/gitlabhq,8thcolor/eurucamp2014-htdsadr,lvfeng1130/gitlabhq,fgbreel/gitlabhq,chenrui2014/gitlabhq,neiljbrookes/glab,martijnvermaat/gitlabhq,8thcolor/rubyconfau2015-sadr,fscherwi/gitlabhq,ayufan/gitlabhq,sonalkr132/gitlabhq,salipro4ever/gitlabhq,OlegGirko/gitlab-ce,vjustov/gitlabhq,OtkurBiz/gitlabhq,childbamboo/gitlabhq,Burick/gitlabhq,iiet/iiet-git,wangcan2014/gitlabhq,dplarson/gitlabhq,allistera/gitlabhq,bozaro/gitlabhq,dukex/gitlabhq,jrjang/gitlabhq,luzhongyang/gitlabhq,fscherwi/gitlabhq,nguyen-tien-mulodo/gitlabhq,luzhongyang/gitlabhq,Razer6/gitlabhq,H3Chief/gitlabhq,since2014/gitlabhq,sekcheong/gitlabhq,hq804116393/gitlabhq,ordiychen/gitlabhq,michaKFromParis/sparkslab,yonglehou/gitlabhq,adaiguoguo/gitlab_globalserarch,rebecamendez/gitlabhq,SVArago/gitlabhq,DanielZhangQingLong/gitlabhq,cinderblock/gitlabhq,0x20h/gitlabhq,mathstuf/gitlabhq,xuvw/gitlabhq,jirutka/gitlabhq,dukex/gitlabhq,revaret/gitlabhq,yonglehou/gitlabhq,k4zzk/gitlabhq,whluwit/gitlabhq,yfaizal/gitlabhq,fgbreel/gitlabhq,iiet/iiet-git,theonlydoo/gitlabhq,icedwater/gitla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