Fixed minor breakage due to code cleanup.

mininet/cli.py

@@ -239,7 +239,6 @@ class CLI( Cmd ):
             rest = ' '.join( rest )
             # Run cmd on node:
             builtin = isShellBuiltin( first )
-            print "builtin =", builtin
             node.sendCmd( rest, printPid=( not builtin ) )
             self.waitForNode( node )
         else:

mininet/net.py

@@ -274,7 +274,7 @@ class Mininet( object ):
             pass
 
         info( '*** Adding controller\n' )
-        self.addController( self.controller )
+        self.addController( 'c0' )
         info( '*** Creating network\n' )
         info( '*** Adding hosts:\n' )
         for hostId in sorted( topo.hosts() ):