fixed bug where render canvas was not clearing color buffer until a project was opened, resulting in random artifacts at application startup.
When a game object is translated, all of its children are translated as well
removed IRenderable and gave Renderer an abstract render() method
save project
bug fixes
open project and bug fixes
Merge pull request #33 from jonbonazza/master

save/open project and bug fixes
Merge pull request #34 from nebula2d/development

Development