mirror changes to build script
add tests for tools
add rawAccess to Stage
remove postMessage method for clocks

Caused serious performance issues in the browser that could result in a
system crash. Blocks the entire event loop.
Remove core.clock and move start and stop onto core. Add logging methods
mirror improvements to Quad and Vector
Add support for bitmap from source without width or height

if just a source is passed to Bitmap it will use the source object
for with and height
Major changes to Elements, and Viewports modules. Added Sprites Module
Add a sample template app to help with development