Working in progress for #277
Close #209 Added Gray, Light Gray, and Dark Gray color constants
Fix compile issue
Closes #354
Moved the heart to the top left
Update pull request with suggestions
Close 350 target typescript 1.3 in package.json
Added additional overloads
merge with master
updated files
Merge pull request #361 from excaliburjs/unlocked-drawing

Unlocked drawing, camera off scene, color, and scale change