Release 2.0-rc7

Reworked Test Framework

Total Unit Tests	1048

New API's

Addins	Method
MaterialCameraCapture	addOverlay(MaterialWidget), removeOverlay(MaterialWidget), clearOverlays()
	setResolution(int width, int height)
	setFacingMode(CameraFacingMode)
Html5Camera
	JsHammer & JsVelocity
Avatar	getHeight() (int)
RichEditor	reset()
Masonry	addLayoutCompleteHandler() , addRemoveCompleteHandler()
Window	getDnd() (MaterialDnd)

Bug Fixes

• #270
• MaterialComboBox - Fixed tag support

Enhancements

• Added processQueue and enqueueFile methods to MaterialFileUploader.
• Added response text XMLHttpRequest wrapper.
• Updated addin widgets to use HasValue where appropriate.
• Implementation of HandlerRegistry for smart registration of event handlers.
• Implement lazy load mixins.
• Reworked all options setter / getter. And integrate default JsOptions.
• Implement JsLoader interface for better loading mechanisms.
• Remove all redundant tests classes instead implement shareable test resources from core test-jar.

Thanks @BenDol , @nemoo2580, @jzaruba