New features:
- Somehow stable Renderer.
- ShadowPass for Renderer.
- ForwardPass for Renderer.
- Refactored Texture2D and RenderTarget code.
- Added TextureCube.
- Added texture cube as attachment to RenderTarget.
Issues fixed:
- Fixed incorrect float to string conversion function
- Fixed null-pointer reference to ThreadQueue when destroying surface.
- Fixed cubicInOut easing.
- Fixed math_box_transform.
- Fixed not deleting render buffer in RT when creating new.
- Fixed png loader memory leak.
- Fixed string possible usage of deleted buffer.
- Fixed UI_Label not updating after changes.
- Fixed incorrect PropertyContainer GetInt32 from string value.
- Fixed GUI not updating if parent is root layout.
- Fixed incorrect data format for Depth24Stencil8.
- Fixed memory leak in Signal.
- Fixed not attaching/detaching new threads to java under android.
- arm-7a correct detection.
- Fixed incorrect releasing of surface under android.
- Fixed incorrect state cache after texture/buffer deletion.
- fixed solid_storage incorrectly handling resizeDiscard(0).
- Fixed Font_GlyphSet memory leak.
- Fixed incorrect Image::SetSubImage.
