Make it easier to specify a shader
Add Material IntAttribute and face culling
Add defaultCullFace
fixed GwtGL20, cleaned up buffer handling in dev mode, may the fsm have mercy on us
Add default shaders to ant build.
Merge branch 'master' of https://github.com/libgdx/libgdx
Fix shininess, add opacity
Make extension check case insensitive

Fixes issue 1467.
Fix issue 1461
Move opacity to BlendingAttribute, fix opacity in shader.
Merge pull request #418 from xoppa/master

Make it easier to specify a shader, add Material IntAttribute, face culling, opacity and shininess
Merge pull request #420 from blackbluegl/master

fixed diffuse color and specular lighting in DefaultShader
Move material to g3d tests, update to show opacity.
Merge pull request #421 from xoppa/3dapi

Move materialtest to g3d tests, update it to show opacity.
Add IntAttribute to gwt module definition
Remove custom typed arrays in gwt backend
Use the typed array factory methods