Updating to the latest casper
Updating to the latest casper

issue TryGhost/Ghost#1577

- adding asset helper for subdirectory support

yundt/seisenpenji,ASwitlyk/Ghost,edsadr/Ghost,novaugust/Ghost,velimir0xff/Ghost,SachaG/bjjbot-blog,xiongjungit/Ghost,acburdine/Ghost,janvt/Ghost,ladislas/ghost,choskim/Ghost,hawkrives/Wraith,dqj/Ghost,jparyani/GhostSS,smedrano/Ghost,tadityar/Ghost,neynah/GhostSS,Klaudit/Ghost,lanffy/Ghost,UnbounDev/Ghost,JulienBrks/Ghost,qdk0901/Ghost,tksander/Ghost,Japh/Ghost,theonlypat/Ghost,UnbounDev/Ghost,r1N0Xmk2/Ghost,Empeeric/justanidea,bitjson/Ghost,omaracrystal/Ghost,madole/diverse-learners,Trendy/Ghost,ballPointPenguin/Ghost,atandon/Ghost,syaiful6/Ghost,julianromera/Ghost,phillipalexander/Ghost,handcode7/Ghost,hnarayanan/narayanan.co,gcamana/Ghost,flomotlik/Ghost,tuan/Ghost,yangli1990/Ghost,JohnONolan/Ghost,influitive/crafters,mnitchie/Ghost,letsjustfixit/Ghost,rizkyario/Ghost,adam-paterson/blog,telco2011/Ghost,Japh/shortcoffee,augbog/Ghost,ballPointPenguin/Ghost,cysys/ghost-openshift,etdev/blog,STANAPO/Ghost,ckousik/Ghost,beautyOfProgram/Ghost,e10/Ghost,notno/Ghost,lf2941270/Ghost,akveo/akveo-blog,kortemy/Ghost,BayPhillips/Ghost,neynah/GhostSS,lukaszklis/Ghost,uniqname/everydaydelicious,kmeurer/GhostAzureSetup,imjerrybao/Ghost,jgladch/taskworksource,tidyui/Ghost,Elektro1776/javaPress,bosung90/Ghost,pollbox/ghostblog,aexmachina/blog-old,kolorahl/Ghost,davidmenger/nodejsfan,daimaqiao/Ghost-Bridge,Brunation11/Ghost,bsansouci/Ghost,PepijnSenders/whatsontheotherside,hilerchyn/Ghost,aschmoe/jesse-ghost-app,edurangel/Ghost,cqricky/Ghost,ananthhh/Ghost,mttschltz/ghostblog,petersucks/blog,lethalbrains/Ghost,sifatsultan/js-ghost,jomahoney/Ghost,DesenTao/Ghost,virtuallyearthed/Ghost,theonlypat/Ghost,sifatsultan/js-ghost,hilerchyn/Ghost,ygbhf/Ghost,codeincarnate/Ghost,GroupxDev/javaPress,daihuaye/Ghost,ericbenson/GhostAzureSetup,Jai-Chaudhary/Ghost,wspandihai/Ghost,ITJesse/Ghost-zh,carlosmtx/Ghost,ManRueda/manrueda-blog,handcode7/Ghost,sfpgmr/Ghost,darvelo/Ghost,zhiyishou/Ghost,aroneiermann/GhostJade,schneidmaster/theventriloquist.us,ananthhh/Ghost,Rovak/Ghost,netputer/Ghost,benstoltz/Ghost,stridespace/Ghost,mhhf/ghost-latex,Smile42RU/Ghost,jeonghwan-kim/Ghost,obsoleted/Ghost,RufusMbugua/TheoryOfACoder,mdbw/ghost,etdev/blog,gleneivey/Ghost,benstoltz/Ghost,LeandroNascimento/Ghost,allspiritseve/mindlikewater,Sebastian1011/Ghost,adam-paterson/blog,rchrd2/Ghost,llv22/Ghost,kevinansfield/Ghost,diogogmt/Ghost,pathayes/FoodBlog,greyhwndz/Ghost,sunh3/Ghost,lowkeyfred/Ghost,tyrikio/Ghost,Netazoic/bad-gateway,Netazoic/bad-gateway,skmezanul/Ghost,claudiordgz/Ghost,PeterCxy/Ghost,Brunation11/Ghost,Japh/Ghost,davegw/dgw-website,vloom/blog,Coding-House/Ghost,devleague/uber-hackathon,schneidmaster/theventriloquist.us,TribeMedia/Ghost,lowkeyfred/Ghost,uploadcare/uploadcare-ghost-demo,JonathanZWhite/Ghost,mayconxhh/Ghost,cwonrails/Ghost,vishnuharidas/Ghost,jamesslock/Ghost,optikalefx/Ghost,hyokosdeveloper/Ghost,lf2941270/Ghost,andrewconnell/Ghost,Remchi/Ghost,bbmepic/Ghost,praveenscience/Ghost,mdbw/ghost,cncodog/Ghost-zh-codog,jparyani/GhostSS,llv22/Ghost,JonSmith/Ghost,Klaudit/Ghost,skleung/blog,ghostchina/Ghost-zh,anijap/PhotoGhost,bitjson/Ghost,load11/ghost,mattvh/Ghost,kortemy/Ghost,blankmaker/Ghost,BayPhillips/Ghost,SkynetInc/steam,Feitianyuan/Ghost,augbog/Ghost,edsadr/Ghost,PaulBGD/Ghost-Plus,johngeorgewright/blog.j-g-w.info,darvelo/Ghost,Kaenn/Ghost,denzelwamburu/denzel.xyz,ManRueda/manrueda-blog,davidenq/Ghost-Blog,camilodelvasto/herokughost,Xibao-Lv/Ghost,carlyledavis/Ghost,ashishapy/ghostpy,yangli1990/Ghost,phillipalexander/Ghost,ManRueda/manrueda-blog,mlabieniec/ghost-env,kwangkim/Ghost,tchapi/igneet-blog,liftup/ghost,laispace/laiblog,rafaelstz/Ghost,nmukh/Ghost,vainglori0us/urban-fortnight,weareleka/blog,k2byew/Ghost,patterncoder/patterncoder,mattvh/Ghost,NikolaiIvanov/Ghost,VillainyStudios/Ghost,telco2011/Ghost,developer-prosenjit/Ghost,ClarkGH/Ghost,dYale/blog,ljhsai/Ghost,sunh3/Ghost,jacostag/Ghost,jgillich/Ghost,leninhasda/Ghost,ljhsai/Ghost,greyhwndz/Ghost,influitive/crafters,davegw/dgw-website,karmakaze/Ghost,tanbo800/Ghost,Alxandr/Blog,Dnlyc/Ghost,javimolla/Ghost,daihuaye/Ghost,TryGhost/Ghost,PaulBGD/Ghost-Plus,singular78/Ghost,MadeOnMars/Ghost,Coding-House/Ghost,choskim/ghost_exp,fredeerock/atlabghost,NikolaiIvanov/Ghost,francisco-filho/Ghost,ineitzke/Ghost,mtvillwock/Ghost,shannonshsu/Ghost,UsmanJ/Ghost,NodeJSBarenko/Ghost,aschmoe/jesse-ghost-app,arvidsvensson/Ghost,djensen47/Ghost,no1lov3sme/Ghost,zackslash/Ghost,morficus/Ghost,jin/Ghost,edurangel/Ghost,barbastan/Ghost,rchrd2/Ghost,axross/ghost,Elektro1776/javaPress,ngosinafrica/SiteForNGOs,Kikobeats/Ghost,acburdine/Ghost,leonli/ghost,acburdine/Ghost,optikalefx/Ghost,sceltoas/Ghost,bastianbin/Ghost,jparyani/GhostSS,veyo-care/Ghost,klinker-apps/ghost,thomasalrin/Ghost,cicorias/Ghost,leninhasda/Ghost,petersucks/blog,zhiyishou/Ghost,leonli/ghost,mttschltz/ghostblog,mohanambati/Ghost,Polyrhythm/dolce,lethalbrains/Ghost,duyetdev/islab,STANAPO/Ghost,e10/Ghost,dai-shi/Ghost,rollokb/Ghost,10hacks/blog,bastianbin/Ghost,lukw00/Ghost,vainglori0us/urban-fortnight,ignasbernotas/nullifer,SachaG/bjjbot-blog,NovaDevelopGroup/Academy,prosenjit-itobuz/Ghost,Gargol/Ghost,dbalders/Ghost,InnoD-WebTier/hardboiled_ghost,cncodog/Ghost-zh-codog,mattchupp/blog,ryanbrunner/crafters,imjerrybao/Ghost,tmp-reg/Ghost,no1lov3sme/Ghost,javorszky/Ghost,mhhf/ghost-latex,andrewconnell/Ghost,jomahoney/Ghost,ivanoats/ivanstorck.com,sajmoon/Ghost,madole/diverse-learners,manishchhabra/Ghost,achimos/ghost_as,panezhang/Ghost,vloom/blog,PDXIII/Ghost-FormMailer,greenboxindonesia/Ghost,sergeylukin/Ghost,psychobunny/Ghost,uploadcare/uploadcare-ghost-demo,dqj/Ghost,wemakeweb/Ghost,syaiful6/Ghost,dgem/Ghost,gcamana/Ghost,mohanambati/Ghost,ghostchina/website,jomofrodo/ccb-ghost,icowan/Ghost,etanxing/Ghost,francisco-filho/Ghost,trepafi/ghost-base,olsio/Ghost,kolorahl/Ghost,yujingz/yujignz.com,thehogfather/Ghost,Netazoic/bad-gateway,situkangsayur/Ghost,leonli/ghost,notno/Ghost,JohnONolan/Ghost,ericbenson/GhostAzureSetup,dymx101/Ghost,wemakeweb/Ghost,pollbox/ghostblog,jorgegilmoreira/ghost,zeropaper/Ghost,javorszky/Ghost,situkangsayur/Ghost,schematical/Ghost,Kikobeats/Ghost,wallmarkets/Ghost,letsjustfixit/Ghost,alexandrachifor/Ghost,shrimpy/Ghost,Bunk/Ghost,cncodog/Ghost-zh-codog,fredeerock/atlabghost,yundt/seisenpenji,consoleblog/consoleblog,LeandroNascimento/Ghost,dggr/Ghost-sr,hoxoa/Ghost,pensierinmusica/Ghost,epicmiller/pages,zuphu/GhostBlog,ClarkGH/Ghost,lukekhamilton/Ghost,flomotlik/Ghost,exsodus3249/Ghost,achimos/ghost_as,trunk-studio/Ghost,shrimpy/Ghost,choskim/GhostAzure,johnnymitch/Ghost,davidblurton/salmondesign-old,makapen/Ghost,jamesyothers/Ghost,pbevin/Ghost,kaychaks/kaushikc.org,cgiffard/Ghost,tadityar/Ghost,telco2011/Ghost,novaugust/Ghost,skleung/blog,kwangkim/Ghost,Loyalsoldier/Ghost,vlmhco/personal-blog,hawkrives/Wraith,Bunk/Ghost,hoxoa/Ghost,oimou-house/blog,Kikobeats/Ghost,nneko/Ghost,melissaroman/ghost-blog,qdk0901/Ghost,janvt/Ghost,dbalders/Ghost,davidenq/Ghost-Blog,NamedGod/Ghost,eduardojmatos/eduardomatos.me,ThorstenHans/Ghost,medialab/Ghost,InnoD-WebTier/hardboiled_ghost,thinq4yourself/Unmistakable-Blog,obsoleted/Ghost,rizkyario/Ghost,johnnymitch/Ghost,memezilla/Ghost,avh4/blog.avh4.net,metadevfoundation/Ghost,allspiritseve/mindlikewater,nakamuraapp/new-ghost,bisoe/Ghost,akveo/akveo-blog,AnthonyCorrado/Ghost,Romdeau/Ghost,kaychaks/kaushikc.org,gabfssilva/Ghost,tmp-reg/Ghost,zackslash/Ghost,ErisDS/Ghost,FredericBernardo/Ghost,bsansouci/Ghost,allanjsx/Ghost,ngosinafrica/SiteForNGOs,jiangjian-zh/Ghost,Jonekee/Ghost,jamesslock/Ghost,hnq90/Ghost,scopevale/wethepeopleweb.org,KnowLoading/Ghost,rizkyario/Ghost,diancloud/Ghost,camilodelvasto/herokughost,praveenscience/Ghost,ineitzke/Ghost,barbastan/Ghost,r14r/fork_nodejs_ghost,sebgie/Ghost,xiongjungit/Ghost,dggr/Ghost-sr,disordinary/Ghost,dbalders/Ghost,blankmaker/Ghost,atandon/Ghost,AileenCGN/Ghost,jaswilli/Ghost,rmoorman/Ghost,Romdeau/Ghost,Jonekee/Ghost,tandrewnichols/ghost,bosung90/Ghost,tidyui/Ghost,arvidsvensson/Ghost,axross/ghost,Loyalsoldier/Ghost,Netazoic/bad-gateway,Japh/shortcoffee,TryGhost/Ghost,ryansukale/ux.ryansukale.com,sangcu/Ghost,hyokosdeveloper/Ghost,jaguerra/Ghost,developer-prosenjit/Ghost,GroupxDev/javaPress,tksander/Ghost,choskim/Ghost,ASwitlyk/Ghost,YY030913/Ghost,BlueHatbRit/Ghost,UsmanJ/Ghost,BlueHatbRit/Ghost,rito/Ghost,panezhang/Ghost,katiefenn/Ghost,allanjsx/Ghost,NovaDevelopGroup/Academy,ManRueda/Ghost,Kaenn/Ghost,JonSmith/Ghost,load11/ghost,alecho/Ghost,freele/ghost,mohanambati/Ghost,chevex/undoctrinate,cysys/ghost-openshift,wspandihai/Ghost,weareleka/blog,laispace/laiblog,kaiqigong/Ghost,lukaszklis/Ghost,v3rt1go/Ghost,beautyOfProgram/Ghost,dylanchernick/ghostblog,jiachenning/Ghost,Dnlyc/Ghost,zumobi/Ghost,ashishapy/ghostpy,Rovak/Ghost,yujingz/yujignz.com,tanbo800/Ghost,vainglori0us/urban-fortnight,ryanorsinger/tryghost,devleague/uber-hackathon,schematical/Ghost,carlyledavis/Ghost,cicorias/Ghost,YY030913/Ghost,jamesyothers/Ghost,singular78/Ghost,karmakaze/Ghost,floofydoug/Ghost,davidmenger/nodejsfan,aroneiermann/GhostJade,dymx101/Ghost,jiangjian-zh/Ghost,mlabieniec/ghost-env,allanjsx/Ghost,morficus/Ghost,netputer/Ghost,wallmarkets/Ghost,r1N0Xmk2/Ghost,yanntech/Ghost,rouanw/Ghost,RoopaS/demo-intern,velimir0xff/Ghost,daimaqiao/Ghost-Bridge,Shauky/Ghost,jin/Ghost,zumobi/Ghost,makapen/Ghost,carlosmtx/Ghost,codeincarnate/Ghost,hnarayanan/narayanan.co,pensierinmusica/Ghost,mlabieniec/ghost-env,bisoe/Ghost,wangjun/Ghost,Kaenn/Ghost,Aaron1992/Ghost,ghostchina/Ghost.zh,smaty1/Ghost,kevinansfield/Ghost,GroupxDev/javaPress,Azzurrio/Ghost,lanffy/Ghost,davidblurton/salmondesign-old,pbevin/Ghost,sfpgmr/Ghost,cqricky/Ghost,ghostchina/Ghost-zh,GarrethDottin/Habits-Design,melissaroman/ghost-blog,halfdan/Ghost,Yarov/yarov,Yarov/yarov,etanxing/Ghost,duyetdev/islab,10hacks/blog,letsjustfixit/Ghost,jorgegilmoreira/ghost,katrotz/blog.katrotz.space,djensen47/Ghost,disordinary/Ghost,greenboxindonesia/Ghost,sajmoon/Ghost,JohnONolan/Ghost,flpms/ghost-ad,jgillich/Ghost,Gargol/Ghost,sebgie/Ghost,javimolla/Ghost,liftup/ghost,alanmoo/moo-on-the-web,camilodelvasto/localghost,rwjblue/Ghost,thomasalrin/Ghost,dYale/blog,Sebastian1011/Ghost,yanntech/Ghost,TribeMedia/Ghost,lukekhamilton/Ghost,choskim/GhostAzure,psychobunny/Ghost,ThorstenHans/Ghost,thehogfather/Ghost,rollokb/Ghost,IbrahimAmin/Ghost,NovaDevelopGroup/Academy,VillainyStudios/Ghost,daimaqiao/Ghost-Bridge,sankumsek/Ghost-ashram,metadevfoundation/Ghost,dai-shi/Ghost,katrotz/blog.katrotz.space,rtorino/me-etc,dggr/Ghost-sr,thinq4yourself/Unmistakable-Blog,rameshponnada/Ghost,novaugust/Ghost,epicmiller/pages,singular78/Ghost,memezilla/Ghost,claudiordgz/Ghost,Remchi/Ghost,jeonghwan-kim/Ghost,Trendy/Ghost,chris-yoon90/Ghost,exsodus3249/Ghost,GarrethDottin/Habits-Design,rameshponnada/Ghost,camilodelvasto/localghost,dgem/Ghost,chris-yoon90/Ghost,ckousik/Ghost,jomofrodo/ccb-ghost,kortemy/Ghost,ryanbrunner/crafters,SkynetInc/steam,DesenTao/Ghost,bbmepic/Ghost,cysys/ghost-openshift,cwonrails/Ghost,AlexKVal/Ghost,stridespace/Ghost,rouanw/Ghost,ManRueda/Ghost,jaguerra/Ghost,woodyrew/Ghost,pedroha/Ghost,nmukh/Ghost,ignasbernotas/nullifer,flpms/ghost-ad,ryansukale/ux.ryansukale.com,Smile42RU/Ghost,kmeurer/Ghost,julianromera/Ghost,mikecastro26/ghost-custom,ITJesse/Ghost-zh,patrickdbakke/ghost-spa,diancloud/Ghost,AlexKVal/Ghost,devleague/uber-hackathon,icowan/Ghost,MrMaksimize/sdg1,Alxandr/Blog,prosenjit-itobuz/Ghost,veyo-care/Ghost,sceltoas/Ghost,Feitianyuan/Ghost,laispace/laiblog,riyadhalnur/Ghost,ygbhf/Ghost,delgermurun/Ghost,JulienBrks/Ghost,rito/Ghost,ladislas/ghost,rafaelstz/Ghost,woodyrew/Ghost,medialab/Ghost,nneko/Ghost,ErisDS/Ghost,r14r/fork_nodejs_ghost,patterncoder/patterncoder,FredericBernardo/Ghost,smaty1/Ghost,trunk-studio/Ghost,IbrahimAmin/Ghost,sebgie/Ghost,jacostag/Ghost,mattchupp/blog,neynah/GhostSS,pathayes/FoodBlog,k2byew/Ghost,PeterCxy/Ghost,zeropaper/Ghost,delgermurun/Ghost,ivanoats/ivanstorck.com,v3rt1go/Ghost,hnq90/Ghost,jomofrodo/ccb-ghost,kaiqigong/Ghost,ghostchina/Ghost.zh,cwonrails/Ghost,ErisDS/Ghost,mtvillwock/Ghost,krahman/Ghost,Sing-Li/GhostSS,gleneivey/Ghost,ivantedja/ghost,bigertech/Ghost,Azzurrio/Ghost,ManRueda/Ghost,NamedGod/Ghost,Alxandr/Blog,tandrewnichols/ghost,tyrikio/Ghost,jorgegilmoreira/ghost,TryGhost/Ghost,wangjun/Ghost,skmezanul/Ghost,manishchhabra/Ghost,InnoD-WebTier/hardboiled_ghost,mnitchie/Ghost,alecho/Ghost,anijap/PhotoGhost,olsio/Ghost,stridespace/Ghost,PepijnSenders/whatsontheotherside,dylanchernick/ghostblog,Jai-Chaudhary/Ghost,johngeorgewright/blog.j-g-w.info,omaracrystal/Ghost,MadeOnMars/Ghost,lcamacho/Ghost,klinker-apps/ghost,kevinansfield/Ghost,virtuallyearthed/Ghost,Xibao-Lv/Ghost,lukw00/Ghost,ddeveloperr/Ghost,floofydoug/Ghost,cobbspur/Ghost,smedrano/Ghost,kmeurer/Ghost,mayconxhh/Ghost,shannonshsu/Ghost,halfdan/Ghost,KnowLoading/Ghost,gabfssilva/Ghost,sergeylukin/Ghost,sangcu/Ghost,denzelwamburu/denzel.xyz,ddeveloperr/Ghost,jaswilli/Ghost,JonathanZWhite/Ghost,davidenq/Ghost-Blog,Elektro1776/javaPress,diogogmt/Ghost,AnthonyCorrado/Ghost,pedroha/Ghost,PDXIII/Ghost-FormMailer,RufusMbugua/TheoryOfACoder,riyadhalnur/Ghost,jiachenning/Ghost,rmoorman/Ghost