GDS-1134 Improve control on refresh of pagedcollection

Conflicts:
	as3/framework/org/granite/tide/collections/PagedCollection.as
	as3/framework/org/granite/tide/collections/PagedCollectionResponder.as
	test/graniteds_test/flex/org/granite/test/tide/spring/TestSpringPagedQueryRefresh.as
GDS-1133 PagedCollection result keeps references on all received
collections

Conflicts:
	as3/framework/org/granite/tide/collections/PagedCollectionResponder.as
	test/graniteds_test/flex/org/granite/test/tide/spring/SuiteSpring.as
	test/graniteds_test/flex/org/granite/test/tide/spring/TestSpringPagedQueryRefresh.as
Fix potential race condition between autoRefresh and elementName
Fix potential race condition between autoRefresh and elementName