Clean up throttle tests
Check false positives when testing the value of `this`
Fix issue #472

This commit fixes #472 by replacing cssreset/cssfonts
dependency with cssnormalize.
Merge pull request #913 from juandopazo/throttle-tests

Clean up throttle tests
Merge pull request #924 from tilomitra/cssgrids-dependency

Fix issue #472
Build YUI for merge of #924
Merge branch 'dev-master' into dev-3.x

Conflicts:
	build/loader-yui3/loader-yui3-coverage.js
	build/loader-yui3/loader-yui3-debug.js
	build/loader-yui3/loader-yui3-min.js
	build/loader-yui3/loader-yui3.js
	build/loader/loader-debug.js
	build/loader/loader-min.js
	build/loader/loader.js
	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/loader/js/yui3.js