[pitivi] (14 commits) ...Merging translations

[Edward Hervey <edwardrv src gnome org>]

Summary of changes:

  5b0e5b1... Back to development.
  1956a9c... ui/timeline: rename Keyframe menu item to Add Keyframe
  415cd88... tests: call pygst.require("0.10") when running tests
  26189d2... application: render: Initial implementation of command line
  be53a96... application: render: Catch errors while rendering
  b3dd49f... Initial implementation of command line preview option
  7813298... viewer: Make disconnection from mirror connection to a pipe
  0507ecc... render: Rename render.py to actioner.py
  4b24eb2... s/pitivi.renderer/pitivi.actioner/ in a couple of files.
  241e27c... viewer: remove call to a non existing method.
  5289ebd... Fix wrong positions of keyframe value labels
  a8e8f17... timeline/timeline: fixed the naming of setTo() in class Sel
  9705cfb... viewer: fix buttons and add tooltips.
  e35a368... Merging translations