[pitivi] (10 commits) ...Merging translations

[Edward Hervey <edwardrv src gnome org>]

Summary of changes:

  93fa35f... ui/timelinecanvas.py: make getItemsInArea a bit more effici
  335fd2e... ui/exportsettings: make video come before audio. Fixes #629
  530d3b8... Revert "timeline/track.py: Reliable implementation of Track
  11d13b0... effects: implement a simple but robust TrackEffect.getEleme
  77d91b1... effectlist: Add the name of effects tooltips. Fixes bug #63
  b7b164c... ui/timeline: mark as selected the clip loaded to the timeli
  9a4c541... timeline: remove a little list comprehension abuse
  bba16ad... timeline: remove a workaround for a bug that was fixed in c
  c77274a... log: make Loggable.error print the correct line number
  07adbeb... Merging translations