[pitivi] (36 commits) ...Merging translations

[Thibault Saunier <tsaunier src gnome org>]

Summary of changes:

  5375281... initial work
  0a03ac2... some cleanup
  e4963b6... remove unneeded buttons
  702d581... Major rework on code; feaures complete, but still some bugs
  909dc89... Better handling of tag names
  5215a5c... BugFix: clicking somewhere in the slider while the clip is 
  39dd9e2... Controls are always visible but set sensivite only when nee
  2d3fa30... Add zoom for image files
  d5743c7... Better size handling for image preview
  854fe33... Fix tags duplication
  3d73ef2... Add log messages
  4566111... Bugfix in image detection
  5ad8876... Bugfix on scale position when playing
  9a83aa6... add option for enable/disable preview on filechooser
  812d164... Better import error handling
  ea16078... Minor enhancement on gui
  aa528ef... Minor enhancement on gui
  35bf572... Remove option for enable/disable preview
  8d49720... Ellipsize the tags label to prevent unwanted resizing
  2fdb6a3... PEP-8 compliance
  4f7b72b... Use a vbox for errors, better strings, code cleanup
  56c4bbd... Hide the zoom buttons when previewing an audio file
  af47e8a... Show/hide widgets depending on the context
  7600eff... Use standard beautified strings for localization
  4442c17... Fix a typo in a variable name
  5fe202e... Remove the (non working) code to show image width and heigh
  d1dcae8... Use a whitelist of acceptable tags to be shown
  963440e... Do not show an icon for files that cannot be previewed
  f2d534f... Remove filenames (redundant with the file chooser)
  caebbaa... filechooserpreview: Respect the Callback naming convention
  69c1568... filechooserpreview: Little cleanup
  f758603... tests: Run the still image testsuite when running check-int
  53f0bc4... Remove all trailling spaces
  2647689... build: Install filechooserpreview.py
  fab5d0a... ui: Use the SPACING variable around all the project
  6606487... Merging translations