[pitivi] (9 commits) ...Updating translations

[Edward Hervey <edwardrv src gnome org>]

Summary of changes:

  2a8321d... projectmanager: saves backup/recovery files when project ch
  a103a88... tests: make tests.test_projectmanager pass again.
  8a5d67c... ui/sourcelist: replace some custom code with gtk.InfoBar.
  cc30c68... timeline/track: allow copy()ing objects on which makeBin ha
  5424958... ui/mainwindow,timeline: added timeline button, menu item an
  5f932dc... Fix the name of the newly added svgs in pixmaps/Makefile.am
  ff3c152... pixmaps: added link and unlink icons for the timeline.
  9b755cf... ui/timeline: fixing the sensitivity of the timeline actions
  d9c672a... Updating translations