Changing to the new material/shader system
Merge branch 'master' of https://github.com/MasDennis/RajawaliExamples

Conflicts:
	src/com/monyetmabuk/rajawali/tutorials/examples/interactive/ObjectPickingFragment.java
Changed the examples so they are compatible with the new shader/material systen.
Bug fixes & additions for the new material system.
All examples have been ported to the new material system. Almost ready to go into master.
New loader graphic. Finally got rid of the ugly one :-)
Merge pull request #31 from MasDennis/new-shader-system

New shader system. Big update to the material system. Please check the Rajawali Wiki and Examples app to see what's changed.