Shader update to have click working on Android
Updated JSON with all the demos. Should be over now
Added basic preferences support in DemoSelector
Clean-up
Other demos added 
File changed
Merge branch 'master' of https://github.com/pmudry/gdx2d

Conflicts:
	gdx2d-desktop/src/hevs/gdx2d/demos/shaders/DemoAllShaders.java