Add support for KTX / ZKTX file format
Created CubemapData, revert to typed CubemapAttribute, adapted Cubemap,
KTXTextureData and tests
Merge branch 'master' of https://github.com/vbousquet/libgdx into PR2431
Xoppa comments + Completed 'managed' support + ShaderCollectionTest
clean up
TextureData factory in GLTexture + FacedCubeMap face changes + test
Cleaned-up TextureData instiation (static Factory class)
Made methods name consistent in TextureData
Enforce continuous rendering while pausing Android backends
Add protected Mesh constructor and move invalidate to VertexData
Add GL20 method not requiring an IntBuffer/FloatBuffer
Implement method without IntBuffer/FloatBuffer arguments for lwjgl
Implement GwtGL20 methods not requiring a FloatBuffer or IntBuffer
Add android backend, still need to add to jni though
Merge branch 'master' of https://github.com/libgdx/libgdx into gl
Update ShaderProgram#setUniformMatrix
Looks like count is ignored in lwjgl uniformmatrix
Add Android jni gl implementation and some minor lwjgl changes (mostly formatting)
Add GL array methods to JglfwGL20
Add ios implementation for gl methods without buffer
Merge branch 'master' of https://github.com/libgdx/libgdx into gl