AppController: Fix typo.
Collaboration: Renew auth token after 55mins.
RealTimeManager: Emit ReauthSucceed event.
Collaboration: Emit RealTimeManager ready event.
Collaboration: Fixed reauth timer.
AppController: Use `switch case` instead of `if`
Collaboration: Added setRealTimeManager method.
EditorPane: Content syncing with Realtime event.s
EditorPane: Set remotely opened new file content as empty
Merge pull request #66 from szkl/collaboration.new-file

EditorPane: Set remotely opened new file content as empty
EditorPane: Fixed participant cursor and line widgets.
Merge branch 'collaboration' of github.com:koding/IDE into collaboration
Collaboration: Use lineWidget to draw cursor.
IDE: Removed terminal icon from dummy file tree header.
EditorPane: Set collaborative string as content
Collaboration: Check existence of participant snapshot map
Merge pull request #67 from szkl/participant-snapshot

Collaboration: Check existence of participant snapshot map
EditorPane: Use line widget to create cursors.
EditorPane: Return if collaborativestring does not exist.
IDE: Styling changes.