128134 jvonka: v1 REST API: minor bug fix(es) to error handling when creating node with assocs + sanity api tests REPO-476, REPO-477 git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/DEV/5.2.N/root@129126 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261