Merge pull request #140 from fasaxc/patch-1

Fix method name mismatch for setDefaultRoute. 
This seems to be logically correct according to the intention of the code, but it may cause some trouble because routes will now be flushed by Mininet.configHosts().

mininet/node.py

@@ -493,7 +493,7 @@ def config( self, mac=None, ip=None,
         r = {}
         self.setParam( r, 'setMAC', mac=mac )
         self.setParam( r, 'setIP', ip=ip )
-        self.setParam( r, 'defaultRoute', defaultRoute=defaultRoute )
+        self.setParam( r, 'setDefaultRoute', defaultRoute=defaultRoute )
         # This should be examined
         self.cmd( 'ifconfig lo ' + lo )
         return r