2014 March 20th - Pitivi 0.93

  First beta and 3rd release of the new version of Pitivi based on GES.
  All the improvements from 0.91 and 0.92, plus:

  * Port the viewer and media file previewers to use a Clutter video output sink
  * Visual refinements to the timeline (clip positioning, borders, selections)
  * Improvements to the ruler and timecode display
  * Allow importing MPEG-TS/AVCHD files
  * Fixes and improvements to the timeline's clip thumbnailers
  * Clip thumbnailing in the media library, better import error handling
  * Various fixes to the application version checking
  * Rework the way dependencies are checked on startup
  * Make some features contextual and cleanup menus
  * Many content updates to the user manual
  * Papercut fixes to keyframe curves
  * Many fixes for rendering
  * Fix pylint errors
  * Various fixes to the automated test suite
  * Code refactoring and cleanup all over the place
  * Fixes for AppData XML spec compliance
  * Various build and packaging fixes