14955: Merged V2.2 to V3.1
14352: Fixed ETWOTWO-1113: Creation date / modification date reset to current date during import
14956: Fix for ETHREEOH-2198 and ALFCOM-2972
- Thumbnail Service now allows creation of system managed thumbnails nodes by Consumer users or on Locked items
- Explicit permission check to ensure user must at least be able to Read the original doc
- Now correctly ensures that the 'modifier' properties are not updated on the original doc due to thumbnail generation
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@14957 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261