Ticket0334: Configure marionette router for zooming
Ticket0487: Double click allows for zooming behavior
Ticket0488: zooming removes other views and updates regions
Ticket0528: New note button behavior
Introduced $.Deferred and cleaned up around
Ticket0529: Add basic CSS to clean up crown view
Fixed double trigerred of shortcut key
For a weird reason, the empty route makes every shortcut being doubled, so we decided not to use that route
and to bind clearZoom to an event instead
Merge branch 'Ticket0477' of github.com:derekchen14/notableBeta into Ticket0477
Ticket0533: Fix double dropTarget on zoomIn
Ticket0535: Keyboard shotcut are triggered twice when on a route
Note is a root if it is a top-level note in a zoomed in tree
Added keyboard shortcut to zoom in and out
Will need to discuss about new keyboard shortcut before ready to push.
Ctrl+Alt does not seem to work.
Ticket0530: Remove crown display on zoom out
Working implementation of Breadcrumbs
* Todo
  - Move everything in the right file
  - add the 'click on the notebook title' part
Ticket0483: Add breadcrumbs to guide navigation
Ticket0483: Add breadcrumbs to guide navigation
Fix dumb merge issue
Ticket0395: Add updated arrow related keyboard shortcuts
Merge branch 'Ticket0395' into Ticket0477
Add additional param to isRoot to test for active roots