Merge pull request #65 from mattmanley/fix_challenge_model

Fix for challenge model mediumPriorityRule

Author: mattmanley

maproulette/models/challenge.py

@@ -131,7 +131,7 @@ def medium_priority_rule(self):
         return self._medium_priority_rule
 
     @medium_priority_rule.setter
-    def high_priority_rule(self, value):
+    def medium_priority_rule(self, value):
         self._medium_priority_rule = value
 
     @property