Copy content from archetype
Copy content from archetype

Prior to this commit only metadata were copied from archetype on content creation.

This commit includes the content if set in archetype. This is useful in situations with similar page structure.

Fixes #556

anthonyfok/hugo,kujohn/hugo,tubo028/hugo,fedelibre/hugo,bramp/hugo,gohugoio/hugo,mitchchn/hugo,ffrizzo/hugo,Zenithar/hugo,tubo028/hugo,digitalcraftsman/hugo,vbatoufflet/hugo,jygastaud/hugo,mayah/hugo,ryanclarke/hugo,melo/hugo,abourget/hugo,derekperkins/hugo,Zenithar/hugo,fhergomez/hugo,tjyang/hugo,mdhender/hugo,vbatoufflet/hugo,anthonyfok/hugo,mitchchn/hugo,tischda/hugo,MarkDBlackwell/hugo,mayah/hugo,soundrussian/hugo,sprig/hugo,gohugoio/hugo,bramp/hugo,melo/hugo,MarkDBlackwell/hugo,derekperkins/hugo,fedelibre/hugo,badoet/hugo,sprig/hugo,digitalcraftsman/hugo,coderzh/hugo,ifraixedes/hugo,fedelibre/hugo,ffrizzo/hugo,halostatue/hugo,tischda/hugo,ryanclarke/hugo,mdhender/hugo,badoet/hugo,tatsushid/hugo,kujohn/hugo,tjyang/hugo,jygastaud/hugo,gohugoio/hugo,ifraixedes/hugo,soundrussian/hugo,halostatue/hugo,fhergomez/hugo,tatsushid/hugo,mdhender/hugo,fedelibre/hugo,bogem/hugo,bogem/hugo,mdhender/hugo,anthonyfok/hugo,abourget/hugo,coderzh/hugo