SW-516: proton has the content property encoded as 'body'

LCS/Messaging/python/messaging/messages.py

@@ -187,6 +187,8 @@ class LofarMessage(object):
                 return getattr(self.__dict__['_qpid_msg'], name)
             if name in self.__dict__['_qpid_msg'].__dict__['properties']:
                 return self.__dict__['_qpid_msg'].__dict__['properties'][name]
+            if name == 'content':
+                return self.__dict__['_qpid_msg'].body
         raise AttributeError("%r object has no attribute %r" %
                              (self.__class__.__name__, name))