Fix back button on tag UI page
Fix back button on tag UI page

closes #4703

- previous link used absolute url which fails for subdirectories

camilodelvasto/localghost,klinker-apps/ghost,cncodog/Ghost-zh-codog,cysys/ghost-openshift,rafaelstz/Ghost,ddeveloperr/Ghost,Brunation11/Ghost,mnitchie/Ghost,acburdine/Ghost,acburdine/Ghost,hnq90/Ghost,bbmepic/Ghost,Rovak/Ghost,lf2941270/Ghost,andrewconnell/Ghost,ashishapy/ghostpy,Bunk/Ghost,gleneivey/Ghost,jaswilli/Ghost,dgem/Ghost,carlosmtx/Ghost,veyo-care/Ghost,zhiyishou/Ghost,TryGhost/Ghost,hnarayanan/narayanan.co,Kikobeats/Ghost,optikalefx/Ghost,Shauky/Ghost,daimaqiao/Ghost-Bridge,lukaszklis/Ghost,hilerchyn/Ghost,Dnlyc/Ghost,ygbhf/Ghost,Netazoic/bad-gateway,sifatsultan/js-ghost,augbog/Ghost,jomofrodo/ccb-ghost,obsoleted/Ghost,Romdeau/Ghost,rizkyario/Ghost,r1N0Xmk2/Ghost,ryansukale/ux.ryansukale.com,davidenq/Ghost-Blog,Klaudit/Ghost,jamesslock/Ghost,AnthonyCorrado/Ghost,julianromera/Ghost,singular78/Ghost,TribeMedia/Ghost,Xibao-Lv/Ghost,Xibao-Lv/Ghost,UsmanJ/Ghost,pollbox/ghostblog,bastianbin/Ghost,GroupxDev/javaPress,imjerrybao/Ghost,ManRueda/Ghost,patterncoder/patterncoder,laispace/laiblog,BlueHatbRit/Ghost,kortemy/Ghost,schematical/Ghost,hilerchyn/Ghost,JulienBrks/Ghost,klinker-apps/ghost,jomahoney/Ghost,mohanambati/Ghost,kwangkim/Ghost,k2byew/Ghost,JohnONolan/Ghost,duyetdev/islab,Rovak/Ghost,hyokosdeveloper/Ghost,ASwitlyk/Ghost,bitjson/Ghost,gabfssilva/Ghost,tanbo800/Ghost,thinq4yourself/Unmistakable-Blog,JonathanZWhite/Ghost,tuan/Ghost,patrickdbakke/ghost-spa,sebgie/Ghost,disordinary/Ghost,ManRueda/Ghost,JohnONolan/Ghost,jacostag/Ghost,Netazoic/bad-gateway,syaiful6/Ghost,johngeorgewright/blog.j-g-w.info,bsansouci/Ghost,kevinansfield/Ghost,no1lov3sme/Ghost,olsio/Ghost,aroneiermann/GhostJade,Kikobeats/Ghost,tadityar/Ghost,Gargol/Ghost,Yarov/yarov,lukekhamilton/Ghost,theonlypat/Ghost,ghostchina/Ghost-zh,ladislas/ghost,JulienBrks/Ghost,tyrikio/Ghost,weareleka/blog,denzelwamburu/denzel.xyz,tmp-reg/Ghost,ClarkGH/Ghost,vloom/blog,mattchupp/blog,yanntech/Ghost,manishchhabra/Ghost,kortemy/Ghost,Japh/Ghost,shrimpy/Ghost,TribeMedia/Ghost,pbevin/Ghost,pbevin/Ghost,LeandroNascimento/Ghost,icowan/Ghost,zeropaper/Ghost,vishnuharidas/Ghost,davidmenger/nodejsfan,dggr/Ghost-sr,jin/Ghost,tandrewnichols/ghost,codeincarnate/Ghost,lukw00/Ghost,IbrahimAmin/Ghost,hyokosdeveloper/Ghost,dqj/Ghost,katrotz/blog.katrotz.space,beautyOfProgram/Ghost,jacostag/Ghost,Alxandr/Blog,jiachenning/Ghost,jiangjian-zh/Ghost,neynah/GhostSS,jparyani/GhostSS,stridespace/Ghost,daihuaye/Ghost,ITJesse/Ghost-zh,FredericBernardo/Ghost,thehogfather/Ghost,ryansukale/ux.ryansukale.com,veyo-care/Ghost,rameshponnada/Ghost,r14r/fork_nodejs_ghost,epicmiller/pages,ignasbernotas/nullifer,lf2941270/Ghost,netputer/Ghost,riyadhalnur/Ghost,allanjsx/Ghost,kaychaks/kaushikc.org,sfpgmr/Ghost,sangcu/Ghost,GarrethDottin/Habits-Design,ryanbrunner/crafters,Alxandr/Blog,wangjun/Ghost,JohnONolan/Ghost,TryGhost/Ghost,pathayes/FoodBlog,alecho/Ghost,AlexKVal/Ghost,Azzurrio/Ghost,bastianbin/Ghost,jamesslock/Ghost,ljhsai/Ghost,kolorahl/Ghost,sifatsultan/js-ghost,mdbw/ghost,qdk0901/Ghost,PaulBGD/Ghost-Plus,ManRueda/manrueda-blog,smaty1/Ghost,chevex/undoctrinate,prosenjit-itobuz/Ghost,YY030913/Ghost,etdev/blog,cicorias/Ghost,AnthonyCorrado/Ghost,sajmoon/Ghost,wallmarkets/Ghost,NikolaiIvanov/Ghost,r1N0Xmk2/Ghost,woodyrew/Ghost,adam-paterson/blog,madole/diverse-learners,Elektro1776/javaPress,karmakaze/Ghost,omaracrystal/Ghost,anijap/PhotoGhost,stridespace/Ghost,e10/Ghost,petersucks/blog,NovaDevelopGroup/Academy,aroneiermann/GhostJade,dYale/blog,jomahoney/Ghost,benstoltz/Ghost,GroupxDev/javaPress,STANAPO/Ghost,AlexKVal/Ghost,novaugust/Ghost,djensen47/Ghost,diancloud/Ghost,k2byew/Ghost,PDXIII/Ghost-FormMailer,v3rt1go/Ghost,NamedGod/Ghost,PaulBGD/Ghost-Plus,skmezanul/Ghost,SachaG/bjjbot-blog,epicmiller/pages,mohanambati/Ghost,ygbhf/Ghost,zeropaper/Ghost,laispace/laiblog,BayPhillips/Ghost,aschmoe/jesse-ghost-app,Azzurrio/Ghost,Alxandr/Blog,davidenq/Ghost-Blog,diogogmt/Ghost,v3rt1go/Ghost,cwonrails/Ghost,UnbounDev/Ghost,xiongjungit/Ghost,Coding-House/Ghost,uploadcare/uploadcare-ghost-demo,shrimpy/Ghost,jiangjian-zh/Ghost,metadevfoundation/Ghost,jparyani/GhostSS,gcamana/Ghost,sebgie/Ghost,VillainyStudios/Ghost,johnnymitch/Ghost,KnowLoading/Ghost,wspandihai/Ghost,Kikobeats/Ghost,TryGhost/Ghost,PepijnSenders/whatsontheotherside,Yarov/yarov,riyadhalnur/Ghost,nneko/Ghost,UnbounDev/Ghost,psychobunny/Ghost,GarrethDottin/Habits-Design,telco2011/Ghost,llv22/Ghost,leninhasda/Ghost,kolorahl/Ghost,devleague/uber-hackathon,ckousik/Ghost,dymx101/Ghost,memezilla/Ghost,kaychaks/kaushikc.org,lanffy/Ghost,MadeOnMars/Ghost,cicorias/Ghost,Smile42RU/Ghost,laispace/laiblog,situkangsayur/Ghost,janvt/Ghost,letsjustfixit/Ghost,axross/ghost,shannonshsu/Ghost,jiachenning/Ghost,ASwitlyk/Ghost,liftup/ghost,Jai-Chaudhary/Ghost,PeterCxy/Ghost,Trendy/Ghost,jaswilli/Ghost,augbog/Ghost,phillipalexander/Ghost,ngosinafrica/SiteForNGOs,ivantedja/ghost,mdbw/ghost,yundt/seisenpenji,wemakeweb/Ghost,Elektro1776/javaPress,etanxing/Ghost,devleague/uber-hackathon,RufusMbugua/TheoryOfACoder,jomofrodo/ccb-ghost,arvidsvensson/Ghost,wspandihai/Ghost,Klaudit/Ghost,NovaDevelopGroup/Academy,icowan/Ghost,ineitzke/Ghost,SkynetInc/steam,ananthhh/Ghost,edsadr/Ghost,NikolaiIvanov/Ghost,GroupxDev/javaPress,schneidmaster/theventriloquist.us,dai-shi/Ghost,flomotlik/Ghost,greenboxindonesia/Ghost,uploadcare/uploadcare-ghost-demo,rito/Ghost,ErisDS/Ghost,tksander/Ghost,yundt/seisenpenji,thinq4yourself/Unmistakable-Blog,allanjsx/Ghost,claudiordgz/Ghost,anijap/PhotoGhost,tchapi/igneet-blog,mlabieniec/ghost-env,letsjustfixit/Ghost,sebgie/Ghost,rafaelstz/Ghost,sangcu/Ghost,dbalders/Ghost,Netazoic/bad-gateway,zackslash/Ghost,virtuallyearthed/Ghost,optikalefx/Ghost,mlabieniec/ghost-env,javimolla/Ghost,mtvillwock/Ghost,dggr/Ghost-sr,Kaenn/Ghost,tmp-reg/Ghost,olsio/Ghost,rito/Ghost,lowkeyfred/Ghost,janvt/Ghost,allanjsx/Ghost,rouanw/Ghost,delgermurun/Ghost,sunh3/Ghost,gcamana/Ghost,tadityar/Ghost,benstoltz/Ghost,imjerrybao/Ghost,greenboxindonesia/Ghost,zumobi/Ghost,jgillich/Ghost,Coding-House/Ghost,francisco-filho/Ghost,dai-shi/Ghost,BayPhillips/Ghost,Feitianyuan/Ghost,jaguerra/Ghost,morficus/Ghost,makapen/Ghost,bosung90/Ghost,diogogmt/Ghost,trepafi/ghost-base,ckousik/Ghost,sajmoon/Ghost,Japh/shortcoffee,prosenjit-itobuz/Ghost,lowkeyfred/Ghost,virtuallyearthed/Ghost,ananthhh/Ghost,yanntech/Ghost,ManRueda/Ghost,telco2011/Ghost,Loyalsoldier/Ghost,flpms/ghost-ad,ManRueda/manrueda-blog,Feitianyuan/Ghost,Jai-Chaudhary/Ghost,schneidmaster/theventriloquist.us,rameshponnada/Ghost,blankmaker/Ghost,adam-paterson/blog,mlabieniec/ghost-env,lukekhamilton/Ghost,pensierinmusica/Ghost,nmukh/Ghost,hnq90/Ghost,cwonrails/Ghost,JonSmith/Ghost,greyhwndz/Ghost,javorszky/Ghost,load11/ghost,barbastan/Ghost,zumobi/Ghost,julianromera/Ghost,ClarkGH/Ghost,nmukh/Ghost,YY030913/Ghost,camilodelvasto/localghost,thomasalrin/Ghost,RufusMbugua/TheoryOfACoder,STANAPO/Ghost,cqricky/Ghost,flpms/ghost-ad,developer-prosenjit/Ghost,manishchhabra/Ghost,PDXIII/Ghost-FormMailer,neynah/GhostSS,trunk-studio/Ghost,lethalbrains/Ghost,rollokb/Ghost,influitive/crafters,skleung/blog,greyhwndz/Ghost,katrotz/blog.katrotz.space,dggr/Ghost-sr,pensierinmusica/Ghost,achimos/ghost_as,handcode7/Ghost,cncodog/Ghost-zh-codog,letsjustfixit/Ghost,rmoorman/Ghost,MadeOnMars/Ghost,johngeorgewright/blog.j-g-w.info,morficus/Ghost,trunk-studio/Ghost,krahman/Ghost,dylanchernick/ghostblog,Remchi/Ghost,aschmoe/jesse-ghost-app,sunh3/Ghost,barbastan/Ghost,andrewconnell/Ghost,bisoe/Ghost,JonSmith/Ghost,jomofrodo/ccb-ghost,ThorstenHans/Ghost,jorgegilmoreira/ghost,ladislas/ghost,shannonshsu/Ghost,llv22/Ghost,camilodelvasto/herokughost,SachaG/bjjbot-blog,edurangel/Ghost,claudiordgz/Ghost,novaugust/Ghost,Elektro1776/javaPress,alecho/Ghost,dylanchernick/ghostblog,smaty1/Ghost,bbmepic/Ghost,singular78/Ghost,ErisDS/Ghost,KnowLoading/Ghost,ITJesse/Ghost-zh,NovaDevelopGroup/Academy,AileenCGN/Ghost,jin/Ghost,chris-yoon90/Ghost,mohanambati/Ghost,sceltoas/Ghost,wemakeweb/Ghost,zhiyishou/Ghost,etdev/blog,UsmanJ/Ghost,sergeylukin/Ghost,Trendy/Ghost,yangli1990/Ghost,neynah/GhostSS,jaguerra/Ghost,cqricky/Ghost,jorgegilmoreira/ghost,omaracrystal/Ghost,Sebastian1011/Ghost,metadevfoundation/Ghost,ryanbrunner/crafters,praveenscience/Ghost,codeincarnate/Ghost,hnarayanan/narayanan.co,davidmenger/nodejsfan,smedrano/Ghost,bisoe/Ghost,francisco-filho/Ghost,lukw00/Ghost,camilodelvasto/herokughost,xiongjungit/Ghost,JonathanZWhite/Ghost,phillipalexander/Ghost,lukaszklis/Ghost,obsoleted/Ghost,LeandroNascimento/Ghost,ballPointPenguin/Ghost,influitive/crafters,situkangsayur/Ghost,weareleka/blog,PepijnSenders/whatsontheotherside,dbalders/Ghost,Loyalsoldier/Ghost,jgillich/Ghost,thomasalrin/Ghost,vainglori0us/urban-fortnight,bitjson/Ghost,BlueHatbRit/Ghost,Bunk/Ghost,edsadr/Ghost,leninhasda/Ghost,nneko/Ghost,mnitchie/Ghost,dqj/Ghost,cncodog/Ghost-zh-codog,pedroha/Ghost,acburdine/Ghost,sergeylukin/Ghost,wallmarkets/Ghost,dYale/blog,yangli1990/Ghost,sceltoas/Ghost,load11/ghost,ineitzke/Ghost,beautyOfProgram/Ghost,skmezanul/Ghost,patterncoder/patterncoder,Japh/shortcoffee,cysys/ghost-openshift,bsansouci/Ghost,axross/ghost,fredeerock/atlabghost,dymx101/Ghost,wangjun/Ghost,rollokb/Ghost,javorszky/Ghost,Gargol/Ghost,ErisDS/Ghost,johnnymitch/Ghost,sfpgmr/Ghost,carlyledavis/Ghost,kevinansfield/Ghost,velimir0xff/Ghost,SkynetInc/steam,vainglori0us/urban-fortnight,no1lov3sme/Ghost,FredericBernardo/Ghost,hoxoa/Ghost,stridespace/Ghost,flomotlik/Ghost,kortemy/Ghost,darvelo/Ghost,rchrd2/Ghost,syaiful6/Ghost,tidyui/Ghost,ManRueda/manrueda-blog,ivanoats/ivanstorck.com,pollbox/ghostblog,melissaroman/ghost-blog,ashishapy/ghostpy,pedroha/Ghost,kwangkim/Ghost,zackslash/Ghost,Netazoic/bad-gateway,tidyui/Ghost,carlyledavis/Ghost,kevinansfield/Ghost,daimaqiao/Ghost-Bridge,DesenTao/Ghost,ghostchina/Ghost-zh,duyetdev/islab,Smile42RU/Ghost,thehogfather/Ghost,achimos/ghost_as,ivanoats/ivanstorck.com,mayconxhh/Ghost,akveo/akveo-blog,mhhf/ghost-latex,daimaqiao/Ghost-Bridge,novaugust/Ghost,notno/Ghost,theonlypat/Ghost,r14r/fork_nodejs_ghost,leonli/ghost,dbalders/Ghost,vloom/blog,tandrewnichols/ghost,arvidsvensson/Ghost,blankmaker/Ghost,telco2011/Ghost,singular78/Ghost,atandon/Ghost,mhhf/ghost-latex,qdk0901/Ghost,Sebastian1011/Ghost,karmakaze/Ghost,skleung/blog,velimir0xff/Ghost,dgem/Ghost,VillainyStudios/Ghost,vainglori0us/urban-fortnight,ljhsai/Ghost,disordinary/Ghost,lanffy/Ghost,carlosmtx/Ghost,ballPointPenguin/Ghost,IbrahimAmin/Ghost,uniqname/everydaydelicious,Dnlyc/Ghost,tanbo800/Ghost,ThorstenHans/Ghost,rizkyario/Ghost,atandon/Ghost,gabfssilva/Ghost,woodyrew/Ghost,ddeveloperr/Ghost,madole/diverse-learners,petersucks/blog,djensen47/Ghost,etanxing/Ghost,panezhang/Ghost,DesenTao/Ghost,cysys/ghost-openshift,notno/Ghost,ngosinafrica/SiteForNGOs,delgermurun/Ghost,pathayes/FoodBlog,tksander/Ghost,handcode7/Ghost,Brunation11/Ghost,jparyani/GhostSS,cwonrails/Ghost,rouanw/Ghost,e10/Ghost,bosung90/Ghost,panezhang/Ghost,mayconxhh/Ghost,darvelo/Ghost,tyrikio/Ghost,makapen/Ghost,Remchi/Ghost,Japh/Ghost,praveenscience/Ghost,gleneivey/Ghost,developer-prosenjit/Ghost,mattchupp/blog,Kaenn/Ghost,mtvillwock/Ghost,chris-yoon90/Ghost,fredeerock/atlabghost,ignasbernotas/nullifer,melissaroman/ghost-blog,davidenq/Ghost-Blog,rizkyario/Ghost,akveo/akveo-blog,Kaenn/Ghost,jorgegilmoreira/ghost,jeonghwan-kim/Ghost,exsodus3249/Ghost,daihuaye/Ghost,memezilla/Ghost,PeterCxy/Ghost,exsodus3249/Ghost,liftup/ghost,leonli/ghost,edurangel/Ghost,schematical/Ghost,jeonghwan-kim/Ghost,Romdeau/Ghost,lethalbrains/Ghost,javimolla/Ghost,NamedGod/Ghost,rchrd2/Ghost,leonli/ghost,smedrano/Ghost,psychobunny/Ghost,devleague/uber-hackathon,netputer/Ghost,hoxoa/Ghost,diancloud/Ghost,denzelwamburu/denzel.xyz,rmoorman/Ghost