fixes batchingChanged to immediately refresh

Conflicts:
	tools/test/core/tests/DataRepeaterTest.js
tabs, not spaces
Merge branch '2.4.1-pre' of github.com:enyojs/enyo into ENYO-3863
Merge pull request #710 from ryanjduffy/ENYO-3863

Fixes Enyo 3863 - Inserting records into a Collection isn't reflected by DataRepeater

Reviewed-By: Cole Davis (cole.davis@lge.com)