Unit tests

Change-Id: Icbecf9e9a93c933007cde18936358700ce8517da
Merge remote-tracking branch 'origin/master'

Conflicts:
	modules/js/corejs/src/main/webapp/lib/metawidget/core/metawidget-utils.js

Change-Id: I5e2c034fb7814661400f540ada4961c2cebc15f6