135306 cturlica: Merged 5.2.0-CLOUD45 (Cloud ) to 5.2.N (5.2.1)
135265 cturlica: CLD-67: TestSiteMembershipRequests tests failing after cloud update from 5.2-SNAPSHOT to 5.2.0-CLOUD45-SNAPSHOT (plat/share)
- we shouldn't have default null value for not set properties (partial change for REPO-892)
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@137385 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261