Merge branch 'patch-1' into 'master'

Implement DataObjectHandleBase comparison with None.

See merge request !358

GaudiKernel/python/GaudiKernel/DataObjectHandleBase.py

@@ -21,6 +21,8 @@ class DataObjectHandleBase(object):
             return self.Path == other.Path
         if isinstance(other, basestring):
             return self.Path == other
+        if other is None:
+            return False
         raise ValueError('Unknown equality check: type=%r, repr=%r'%(type(other), other))
 
     def __ne__(self, other):