Log Message:
Update clutter to 1.4.2.

Clutter 1.4.2  (30/11/2010)
===============================================================================

  * List of changes since Clutter 1.4.0

    >> Optimize ClutterText's preferred height computations when
       in single line mode.

    >> Fix build for CEx100 backend.

    >> Fix the example code in the Cookbook recipes to be C90 compliant.

    >> Add optimizations in ClutterActor for show, hide and queue_relayou().

    >> Build fixes for introspection data.

    >> Trap glXDestroyPixmap() to avoid an ordering issue when freeing
       pixmaps.

    >> Fix segfaults with empty XSettings and font names.

    >> Do not use exclusive pointer grabs in ClickAction.

    >> Fixes for the win32 backend.

    >> Do not destroy materials and shaders when not needed.

    >> Leaks fixed.