Change ip= to host= in python bindings.

Fixes RAM-327.

Author: rstutsman

bindings/python/ramcloud.py

@@ -200,7 +200,7 @@ def handle_error(self, status, actual_version=0):
             raise VersionError(reject_rules.given_version, actual_version)
         raise RCException(status)
 
-    def connect(self, serverLocator='fast+udp:ip=127.0.0.1,port=12242'):
+    def connect(self, serverLocator='fast+udp:host=127.0.0.1,port=12242'):
         s = so.rc_connect(serverLocator, ctypes.byref(self.client))
         self.handle_error(s)