submit/tizen/20130826.234643

[3.0] MediaPlayer crashed when switching audio to play(about 20%) https://bugs.tizen.org/jira/browse/TIVI-1518
Enable Canvas 2d based on Cairo GLES.
Allow to build without NDEBUG macro
Add safe fall back to use EGLChooseConfig.
Avoid round trip to display for every surface creation.
This patch adds support for LockSurface.
Support for sharing wl_buffers between Web and UI process