Merge pull request #81 from zorg-kirill/dev-semantic

Made 4-column doctypes view, fixed add/edit news page, added rich text editing
Documents version 1
Merge branch 'dev-semantic' of github.com:KPI-ASOIU/AcDP into dev-semantic
Merge pull request #82 from zorg-kirill/dev-semantic

Add/edit news minor visual changes
Merge branch 'dev-semantic' of github.com:KPI-ASOIU/AcDP into dev-semantic
I18n for JS. Documents improvements. Documents pinning to tasks. Quick documents search while pin (alpha).
I18n for JS ChosenJS fixes
JSTree rails dev issue in gemfile fixed
Travis Fix: bundle install. Documents pin improvements.
Merge pull request #85 from apricis/dev-semantic

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

Making messages instant
user_has_documents fix