Merge pull request #85 from apricis/dev-semantic

I18n for JS. Improvements over docs pin system.
Merge pull request #86 from apricis/dev-semantic

Making messages instant
user_has_documents fix
Merge pull request #87 from zorg-kirill/dev-semantic

user has documents fix
edit rights to empty doc and folder
Merge pull request #88 from zorg-kirill/dev-semantic

edit rights to empty doc and folder
Instantize messages and comments properly with websocket channels. Documents attachments. News list redesign