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

[Edward Hervey <edwardrv src gnome org>]

Summary of changes:

  a048cb0... timeline: change a set_state(PLAYING) call to sync_state_wi
  1849511... action: print a slightly more useful debug message
  3e9f2b7... stream: deal with python elements in find_upstream_demuxer_
  66926f5... stream: in get_pad_type, look at template caps if negotiate
  4f2bb91... tests: add more tests for Timeline.getPreviousTimelineObjec
  d33f083... timeline: fix a bug in the transition detection code. Fixes
  e6f3cb1... timeline: always set caps on FixSeekStart:sink.
  2b987ec... factories/test: make _makeDefaultBin do something sensible.
  802bd54... factories/timeline: Fix caps handling in FixSeekStart
  2541804... tests: make test_pipeline[_action] use better sources/caps
  3164ed1... pipeline: use match_stream in getTeeForFactoryStream. Fixes
  cb461e2... ui/effectlist: add keyframe, prevframe and nextframe to the
  239e2fd... singledecodebin: initialize pending_newsegment to None. Fix
  12217c5... Merging translations