Canvas Box State Diagram arrow fixing.
Canvas Box Behavior fixing.
Fixing the gravity behavior
Bug fixing and examples fixing. Blurry screen #fixed. Key capture #fixed. getId in not object #fixed.
Conflicts solved
Merge branch 'master' of github.com:thiagomata/CanvasBox

Conflicts:
	src/diagram/stateMachine/CanvasBoxStateDiagram.coffee
	src/diagram/stateMachine/CanvasBoxStateDiagram.js
	src/diagram/stateMachine/stateMachine.html
	src/main/CanvasBox.coffee
	src/main/CanvasBox.js
	src/main/CanvasBoxBehavior.coffee
	src/main/CanvasBoxBehavior.js
	src/main/CanvasBoxConnectorBehavior.coffee
	src/main/CanvasBoxConnectorBehavior.js