Added filter by category  mechanism in search
Work on revamp of timebar
FIxed lots stuff...and finally something works
More work on timebar
Single-item Video bubbles should be displayed as single-item Image bubbles.
Added some navigation keybinding
Continuing revamping of timebar
 Some fixes on timebar
Fixes on timebar behaviour
Weeks starts on monday and ends on Sundays
Work on week expansion/collapse and selection
Some string modifications
Fixed a crash when collapsing weeks. Use TreeRowReference
Fixed expansion/collapse mechanism
More fixes on expand/collapse
Fixes on the timebar
Some file renaming
Let the search view to have its own loaded timebar
Remove gstreamer dep for the moment
Nth revamp of the model