Update gitlab-shell to 2.5.3 in 7-8 update guide, fixes #8838
Update gitlab-shell to 2.5.3 in 7-8 update guide, fixes #8838

ferdinandrosario/gitlabhq,cncodog/gitlab,TheWatcher/gitlabhq,yfaizal/gitlabhq,jvanbaarsen/gitlabhq,dukex/gitlabhq,theodi/gitlabhq,ngpestelos/gitlabhq,rebecamendez/gitlabhq,sakishum/gitlabhq,rhels/gitlabhq,theonlydoo/gitlabhq,fearenales/gitlabhq,ayufan/gitlabhq,dwrensha/gitlabhq,SkyWei/gitlabhq,manfer/gitlabhq,jrjang/gitlabhq,yatish27/gitlabhq,childbamboo/gitlabhq,youprofit/gitlabhq,since2014/gitlabhq,daiyu/gitlab-zh,Devin001/gitlabhq,yonglehou/gitlabhq,cui-liqiang/gitlab-ce,kitech/gitlabhq,yfaizal/gitlabhq,dreampet/gitlab,folpindo/gitlabhq,rebecamendez/gitlabhq,louahola/gitlabhq,ttasanen/gitlabhq,WSDC-NITWarangal/gitlabhq,nmav/gitlabhq,ikappas/gitlabhq,H3Chief/gitlabhq,zrbsprite/gitlabhq,dreampet/gitlab,sonalkr132/gitlabhq,stanhu/gitlabhq,yuyue2013/ss,fgbreel/gitlabhq,MauriceMohlek/gitlabhq,WSDC-NITWarangal/gitlabhq,theonlydoo/gitlabhq,stanhu/gitlabhq,darkrasid/gitlabhq,theodi/gitlabhq,mathstuf/gitlabhq,k4zzk/gitlabhq,lvfeng1130/gitlabhq,revaret/gitlabhq,mr-dxdy/gitlabhq,it33/gitlabhq,OlegGirko/gitlab-ce,k4zzk/gitlabhq,screenpages/gitlabhq,michaKFromParis/gitlabhq,k4zzk/gitlabhq,yfaizal/gitlabhq,liyakun/gitlabhq,t-zuehlsdorff/gitlabhq,julianengel/gitlabhq,manfer/gitlabhq,fscherwi/gitlabhq,hq804116393/gitlabhq,TheWatcher/gitlabhq,yuyue2013/ss,manfer/gitlabhq,shinexiao/gitlabhq,mente/gitlabhq,Telekom-PD/gitlabhq,ksoichiro/gitlabhq,sue445/gitlabhq,cinderblock/gitlabhq,tempbottle/gitlabhq,gorgee/gitlabhq,t-zuehlsdorff/gitlabhq,eliasp/gitlabhq,allistera/gitlabhq,johnmyqin/gitlabhq,theodi/gitlabhq,vjustov/gitlabhq,luzhongyang/gitlabhq,t-zuehlsdorff/gitlabhq,zBMNForks/gitlabhq,sekcheong/gitlabhq,sakishum/gitlabhq,shinexiao/gitlabhq,delkyd/gitlabhq,ikappas/gitlabhq,fendoudeqingchunhh/gitlabhq,jaepyoung/gitlabhq,bozaro/gitlabhq,stoplightio/gitlabhq,LytayTOUCH/gitlabhq,initiummedia/gitlabhq,hq804116393/gitlabhq,ayufan/gitlabhq,fgbreel/gitlabhq,wangcan2014/gitlabhq,julianengel/gitlabhq,LUMC/gitlabhq,sue445/gitlabhq,salipro4ever/gitlabhq,ngpestelos/gitlabhq,michaKFromParis/gitlabhq,szechyjs/gitlabhq,joalmeid/gitlabhq,cinderblock/gitlabhq,stoplightio/gitlabhq,htve/GitlabForChinese,folpindo/gitlabhq,OlegGirko/gitlab-ce,duduribeiro/gitlabhq,stanhu/gitlabhq,bbodenmiller/gitlabhq,ksoichiro/gitlabhq,duduribeiro/gitlabhq,Devin001/gitlabhq,Burick/gitlabhq,whluwit/gitlabhq,tim-hoff/gitlabhq,H3Chief/gitlabhq,cinderblock/gitlabhq,theonlydoo/gitlabhq,michaKFromParis/sparkslab,tk23/gitlabhq,Devin001/gitlabhq,liyakun/gitlabhq,hzy001/gitlabhq,per-garden/gitlabhq,cui-liqiang/gitlab-ce,michaKFromParis/gitlabhqold,jrjang/gitlab-ce,SVArago/gitlabhq,yatish27/gitlabhq,ngpestelos/gitlabhq,bigsurge/gitlabhq,cncodog/gitlab,dplarson/gitlabhq,fearenales/gitlabhq,iiet/iiet-git,fantasywind/gitlabhq,fpgentil/gitlabhq,delkyd/gitlabhq,bozaro/gitlabhq,williamherry/gitlabhq,rebecamendez/gitlabhq,louahola/gitlabhq,nguyen-tien-mulodo/gitlabhq,joalmeid/gitlabhq,childbamboo/gitlabhq,Datacom/gitlabhq,nmav/gitlabhq,koreamic/gitlabhq,mente/gitlabhq,allistera/gitlabhq,nmav/gitlabhq,tk23/gitlabhq,yama07/gitlabhq,dplarson/gitlabhq,Exeia/gitlabhq,allysonbarros/gitlabhq,lvfeng1130/gitlabhq,flashbuckets/gitlabhq,dplarson/gitlabhq,WSDC-NITWarangal/gitlabhq,fantasywind/gitlabhq,SVArago/gitlabhq,koreamic/gitlabhq,SVArago/gitlabhq,WSDC-NITWarangal/gitlabhq,salipro4ever/gitlabhq,julianengel/gitlabhq,nguyen-tien-mulodo/gitlabhq,H3Chief/gitlabhq,screenpages/gitlabhq,OlegGirko/gitlab-ce,ayufan/gitlabhq,openwide-java/gitlabhq,htve/GitlabForChinese,childbamboo/gitlabhq,iiet/iiet-git,mmkassem/gitlabhq,Tyrael/gitlabhq,hacsoc/gitlabhq,SkyWei/gitlabhq,chenrui2014/gitlabhq,rhels/gitlabhq,dvrylc/gitlabhq,fendoudeqingchunhh/gitlabhq,LytayTOUCH/gitlabhq,Tyrael/gitlabhq,hacsoc/gitlabhq,fgbreel/gitlabhq,chadyred/gitlabhq,jirutka/gitlabhq,johnmyqin/gitlabhq,darkrasid/gitlabhq,TheWatcher/gitlabhq,dukex/gitlabhq,hzy001/gitlabhq,stoplightio/gitlabhq,wangcan2014/gitlabhq,stoplightio/gitlabhq,mavimo/gitlabhq,mente/gitlabhq,NARKOZ/gitlabhq,luzhongyang/gitlabhq,martinma4/gitlabhq,daiyu/gitlab-zh,copystudy/gitlabhq,htve/GitlabForChinese,jirutka/gitlabhq,ordiychen/gitlabhq,fgbreel/gitlabhq,zrbsprite/gitlabhq,darkrasid/gitlabhq,t-zuehlsdorff/gitlabhq,fpgentil/gitlabhq,iiet/iiet-git,revaret/gitlabhq,jrjang/gitlab-ce,OtkurBiz/gitlabhq,LytayTOUCH/gitlabhq,Burick/gitlabhq,ikappas/gitlabhq,martinma4/gitlabhq,ksoichiro/gitlabhq,delkyd/gitlabhq,yuyue2013/ss,sekcheong/gitlabhq,screenpages/gitlabhq,flashbuckets/gitlabhq,eliasp/gitlabhq,sakishum/gitlabhq,sekcheong/gitlabhq,aaronsnyder/gitlabhq,Razer6/gitlabhq,theonlydoo/gitlabhq,michaKFromParis/sparkslab,mente/gitlabhq,ngpestelos/gitlabhq,Tyrael/gitlabhq,revaret/gitlabhq,screenpages/gitlabhq,tim-hoff/gitlabhq,duduribeiro/gitlabhq,tempbottle/gitlabhq,NARKOZ/gitlabhq,dreampet/gitlab,it33/gitlabhq,tk23/gitlabhq,shinexiao/gitlabhq,copystudy/gitlabhq,szechyjs/gitlabhq,DanielZhangQingLong/gitlabhq,joalmeid/gitlabhq,icedwater/gitlabhq,since2014/gitlabhq,axilleas/gitlabhq,chenrui2014/gitlabhq,dvrylc/gitlabhq,kitech/gitlabhq,manfer/gitlabhq,martijnvermaat/gitlabh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-zh,louahola/gitlabhq,martinma4/gitlabhq,yama07/gitlabhq,eliasp/gitlabhq,ordiychen/gitlabhq,tk23/gitlabhq,it33/gitlabhq,nguyen-tien-mulodo/gitlabhq,michaKFromParis/gitlabhq,fearenales/gitlabhq,gorgee/gitlabhq,allysonbarros/gitlabhq,OtkurBiz/gitlabhq,fpgentil/gitlabhq,initiummedia/gitlabhq,DanielZhangQingLong/gitlabhq,mmkassem/gitlabhq,H3Chief/gitlabhq,ordiychen/gitlabhq,openwide-java/gitlabhq,chadyred/gitlabhq,fendoudeqingchunhh/gitlabhq,Soullivaneuh/gitlabhq,sue445/gitlabhq