Improved support for single-box widgets (#2530076)
Uncommented tests covering newly introduced functionality
Added additional Widget tests
Merge branch 'widget-bb' into dev-master
Build Widget
Fixed typo
Merge branch 'dev-master' into dev-3.x

Conflicts:
	build/yui-nodejs/yui-nodejs-debug.js
	build/yui-nodejs/yui-nodejs-min.js
	build/yui-nodejs/yui-nodejs.js
	build/yui/yui-debug.js
	build/yui/yui-min.js
	build/yui/yui.js
	src/widget/HISTORY.md