[pitivi] (18 commits) ...Merging translations

[Edward Hervey <edwardrv src gnome org>]

Summary of changes:

  226bde5... ui.timeline.py: add an InfoStub to the timeline widget
  042d7c7... pitivi/ui/mainwindow.py: use the timeline infostub to repor
  c3a20c8... filelisterrordialog.py: some small tweaks to make dialog mo
  43de54f... mainwindow.py: remove references to MainWindow.errordialog
  a661bc8... ui.timeline.py: don't expand timeline infostub
  7ff4a5c... ui.timeline.py: better error messages
  e4f5541... ui/sourcelist.py: change conflicting accelerator
  f514e97... ui/timeline.py: remove zoom buttons from timeline toolbar
  d6a4cfa... ui/timeline.py: add +/- accelerators for zooming to menu ac
  fe933cb... ui/timeline.py: add a gtk.HScale to upper left corner of ti
  68c4e42... mainwindow.py,viewer.py: hide viewer slider when timeline i
  6917896... ui/timeline.py: set a tooltip on the zoom slider
  ffdc5c3... timeline.py,ui.trackobject.py: check in alessandro's fix fo
  24ccab5... mainwindow.py: set zoom ratio when adding the first clips t
  bb23f7c... previewer.py: cache and display waveforms at multiple resol
  410063b... previewer.py: fine-tune for longer clips
  14168a1... utils.py: fix stupid f #$%ing signalinterface unit test fai
  743b764... Merging translations