shader-move notes

gistfile1.txt

Changes:
* Majority of built-in shaders are now only included into your game data if they are actually used.
This saves about 200 kilobytes off your mobile game size if you're not using many built-in shaders.
If you need some built-in shaders to be available without explicit references to them, set them up in
Edit -> Project Settings -> Grpahics (by default Diffuse shader is always included).

Fixes:
* Object Selector shows built-in shaders now