Merge pull request #71 from apricis/master

Moving to Rails 4.1.6, ruby 2.1.2
Merge pull request #72 from apricis/dev-semantic

Starting transfer to semantic ui. Login form + main menu
Merge pull request #73 from apricis/dev-semantic

Transfer to Semantic Login form and main menu finished
Merge pull request #74 from apricis/dev-semantic

Transfer to Semantic UI: main menu, dialogs, tasks and events
doctypes, contacts, news to semantic
Merge pull request #75 from zorg-kirill/dev-semantic

Doctypes, contacts, news changed to semantic
Documents changes. Tasks changes. Menu changes. Started integration of docs and tasks
Documents.js fixing
Deleting log/.keep