Fire rename event with corrected oldPath
update rename event unit test
fix jshint failures
clear DOM node ID cache when files are removed
check both old and new paths in rename event handler
Merge pull request #6496 from adobe/jasonsanjose/issue-6480

Clear DOM node ID cache when files are removed
Merge pull request #6494 from adobe/jasonsanjose/issue-6482

Fire rename event with corrected oldPath
Restore a reference to CollectionUtils so it's still usable by extensions
until its deprecation cycle ends
Merge pull request #6509 from adobe/pflynn/restore-collectionutils

Fix bug #6403 - Restore a reference to CollectionUtils