123433 amorarasu: Merged 5.0.N (5.0.4) to 5.1.N (5.1.1)
123356 cturlica: Merged V4.2-BUG-FIX (4.2.7) to 5.0.N (5.0.4)
123206 adavis: Merged V4.2.6 (4.2.6) to V4.2-BUG-FIX (4.2.7)
123099 amorarasu: MNT-15798: CLONE - call to guessMimetype() on a node that has no content creates a content property
Reverse merged V4.2.6 (4.2.6)
104274 mbobyleu: Merged DEV (4.2.5) to V4.2-BUG-FIX (4.2.5)
102794: MNT-8678 : call to guessMimetype() on a node that has no content creates a content property
- add check for empty content before saving a node
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@123708 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261