Add ILayout and ILayer property 'runtime'
Add ILayer events 'beforedraw', 'afterdraw'
Add IRenderer method createStaticTexture()
Add IRuntime property 'renderer'
Add optional colorArr parameter to drawMesh() for per-vertex colors
Add IRenderer methods quad5(), quad3D3() for per-vertex colors
Add Internationalization plugin script interface
TypeScript: add missing type definitions for "hierarchyready" event