MODE-2243 Fixed various WebDAV issues: XML encoding of custom property values, not returning reserved/non-used namespaces in the response & erroneous locking logic in DoPut.
Merge pull request #1196 from hchiorean/MODE-2243

MODE-2243 Fixed various WebDAV issues: XML encoding of custom property values, not returning reserved/non-used namespaces in the response & erroneous locking logic in DoPut.