133845 rmunteanu: REPO-1746: Merge fixes for 5.2 GA issues to 5.2.0 branch
Merged 5.2.N (5.2.1) to 5.2.0 (5.2.0)
133290 jvonka: REPO-1646: V1 REST API - cannot unset optional fields (eg. when updating person / site details ...)
- part 1 (Update Site)
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@134184 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261