Merge branch 'develop' into feature/backbone.js
wip api for documents
handle error in json for api
fix user id
small fix and typo
WIP api for users
WIP api for spaces
handle api using json schema
add json schema for attachments
WIP api for documents
rename file
WIP api for comments
generate unique id for comments, attachments
typo
load api blueprints
add backbone.js
add generic error template
space api: deny to change name, change input from collection to resource, cleanup
comments api: clean up, switch input from collection to resource for post, cleanup
comment model: fix for instantiate with no date, cleanup