Using GLTexture2D and GLQuad for all textured quad renderings.

Change-Id: I5f1eae77d58d520f1dfbcc66b9efebb72c9d501b
Cleaned qRegisterMetaType and includes, fixed DynamicTexture

Change-Id: I992b26b4f620f63d0871d9a3b1956f715d28636a