78913: Merged V4.2-BUG-FIX (4.2.4) to HEAD-BUG-FIX (5.0/Cloud)
78866: Merged V4.1-BUG-FIX (4.1.10) to V4.2-BUG-FIX (4.2.4)
78729: MNT-9257: Incorrect behaviour with password protected MS office documents
Check if failover transformers support transformation for mimetype before calling it. Add unit test.
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@82655 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261