Removing user settable serialization option from service management
Allow individual requests to set content-type, accept header manually and not have it overridden. Fixed VN stuff that was using the serializetype hack.
Switched back to XML, removed JSON serialization from serializer
Removed serializetype from the rest of the code, comments
Merge pull request #909 from christav/remove-serializetype

Removing serializetype option from api