Convert node visitor classes to MRC.

Convert CC3NodeVisitor.m to MRC.
Convert shader classes to MRC.

Convert CC3Shaders.m to MRC.
Convert CC3GLSLVariable.m to MRC.
Convert CC3ShaderSemantics.m to MRC.
Convert CC3PVRShamanShaderSemantics.m to MRC.
Convert CC3ShaderContext.m to MRC.
Convert CC3ShaderMatcher.m to MRC.
Convert CC3OpenGLProgPipeline.m to MRC.
Convert CC3OSExtensions.m to MRC.
Convert CC3IOSExtensions.m to MRC.
Convert CC3OSXExtensions.m to MRC.
Convert node classes to MRC.

Convert CC3Identifiable.m to MRC.
Convert CC3Node.m to MRC.
Convert CC3LocalContentNode.m to MRC.
Convert CC3MeshNode.m to MRC.
Convert vertex skinning to MRC.

Convert CC3VertexSkinning to MRC.
Convert meshes to MRC.

Convert CC3Mesh to MRC.
Convert CC3ParametricMesh to MRC.
Convert CC3VertexArrays to MRC.
Convert materials & textures to MRC.

Convert CC3Material.m to MRC.
Convert CC3Texture.m to MRC.
Convert CC3PVRTexture.mm to MRC.
Convert CC3TextureUnit.m to MRC.
Convert CC3STBImage.m to MRC.
Rename CC3Texture ccTexture2D property to ccTexture.
Convert matrices to MRC.

Convert CC3Matrix.m to MRC.
Convert CC3AffineMatrix.m to MRC.
Convert CC3LinearMatrix.m to MRC.
Convert CC3ProjectionMatrix.m to MRC.
Convert CC3Matrix3x3.m to MRC.
Convert CC3Matrix4x3.m to MRC.
Convert CC3Matrix4x4.m to MRC.
Convert CC3GLMatrix.m (deprecated) to MRC.
Convert shadows to MRC.

Convert CC3Light.m to MRC.
Convert CC3Camera.m to MRC.
Convert CC3ShadowVolumes.m to MRC.
Convert bounding volumes to MRC.

Convert CC3BoundingVolume.m to MRC.
CC3NodeSphereThenBoxBoundingVolume now structured as one sphere and one box,
instead of as a generic two-element array.
Convert foundational utility classes to MRC.

Convert CC3NodeListeners.m to MRC.
Convert CC3Rotator.m to MRC.
Convert CC3PerformanceStatistics.m to MRC.
Convert CC3Foundation.m to MRC.
Convert CC3CC2Extensions.m to MRC.
Convert CC3Cache.m to MRC.
Convert CC3DataArray.m to MRC.
Convert CC3Backgrounder.m to MRC.
Convert animation classes to MRC.

Convert CC3NodeAnimation.m to MRC.
Convert CC3Actions.m to MRC.
Convert OpenGL classes to MRC.

Convert CC3OpenGL.m to MRC.
Convert CC3OpenGLFixedPipeline.m to MRC.
Convert CC3OpenGLFoundation.m to MRC.
Convert CC3OpenGLES2.m to MRC.
Convert CC3OpenGLES1.m to MRC.
Convert CC3OpenGL2.m to MRC.
Convert CC3GLView-GLES2.m to MRC.
Convert CC3GLView-GLES1.m to MRC.
Convert CC3GLView-GL.m to MRC.
Convert CC3OpenGLES2Utility.m to MRC.
Convert CC3OpenGLES1Utility.m to MRC.
Convert CC3OpenGLUtility.m to MRC.
Fix CC3SkinMeshNode retain deformed faces.
Convert PVR classes to MRC.

Convert CC3IdentifiablePODExtensions.m to MRC.
Convert CC3NodePODExtensions.mm to MRC.
Convert CC3PFXResource.mm to MRC.
Convert CC3PODCamera.mm to MRC.
Convert CC3PODLight.mm to MRC.
Convert CC3PODMaterial.mm to MRC.
Convert CC3PODMesh.mm to MRC.
Convert CC3PODMeshNode.mm to MRC.
Convert CC3PODNode.mm to MRC.
Convert CC3PODResource.mm to MRC.
Convert CC3PODResourceNode.mm to MRC.
Convert CC3PODVertexSkinning.mm to MRC.
Convert CC3PVRFoundation.mm to MRC.
Convert CC3VertexArrayPODExtensions.mm to MRC.
Replace CC3PODResource placeHolder with NSNull.
Convert scene classes to MRC.

Convert CC3Scene.m to MRC.
Convert CC3Layer.m to MRC.
Convert CC3ControllableLayer.m to MRC.
Convert CC3NodeSequencer.m to MRC.
Convert CC3RenderSurface.m to MRC.
Convert secondary node classes to MRC.

Convert CC3Billboard.m to MRC.
Convert CC3BitmapLabelNode.m to MRC.
Convert CC3ParametricMeshNodes.m to MRC.
Convert CC3UtilityMeshNodes.m to MRC.
Convert particle classes to MRC.

Convert CC3Particles.m to MRC.
Convert CC3MeshParticles.m to MRC.
Convert CC3PointParticles.m to MRC.
Convert CC3ParticleSamples.m to MRC.
Convert CC3MeshParticleSamples.m to MRC.
Convert CC3PointParticleSamples.m to MRC.
Convert CC3ModelSampleFactory.m to MRC.