Log Message:
Update clutter-gst to 2.0.12

clutter-gst 2.0.12 (1/06/2014)
===============================================================================

List of changes since 2.0.10

 o Depend on GStreamer 1.0

 o Fix build issues

Many Thanks to:

    Antoine Jacoutot
    Ryan Lortie

clutter-gst 2.0.10 (10/01/2014)
===============================================================================

List of changes since 2.0.8

 o Add NV12 support

 o Add GL upload meta API support

 o Add video crop meta API support

 o Add local shader cache to avoid leak

 o Fix memory leak in accept_caps() method

Many Thanks to:

    Matthieu Bouron
    David King
    Edward Hervey