- adding a unit test. currently just tests repeat properties and instance data.
- fix for problem with obtaining particle for element references. addresses bug WCM-508
- new regenerate renditions icons from linton
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@6010 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
