134806 mward: Merged mward/repo-1600-zonesfilter (5.2.1) to 5.2.N (5.2.1)
134741 mward: REPO-1600: added support for zone filtering to GET /people/{personId}/groups
Also brought in-line with spec to return an empty list rather than a 404 if the zone is non-existent.
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@137365 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261