Add client-side search limit parameter for user search.

Limit editgroup user ajax search.
Minor UI cleanup for editgroup.

ipa-python/rpcclient.py

@@ -150,7 +150,7 @@ class RPCClient:
     
         return ipautil.unwrap_binary_data(result)
 
-    def find_users (self, criteria, sattrs=None):
+    def find_users (self, criteria, sattrs=None, searchlimit=0):
         """Return a list: counter followed by a User object for each user that
            matches the criteria. If the results are truncated, counter will
            be set to -1"""
@@ -160,7 +160,7 @@ class RPCClient:
             # None values are not allowed in XML-RPC
             if sattrs is None:
                 sattrs = "__NONE__"
-            result = server.find_users(criteria, sattrs)
+            result = server.find_users(criteria, sattrs, searchlimit)
         except xmlrpclib.Fault, fault:
             raise ipaerror.gen_exception(fault.faultCode, fault.faultString)
         except socket.error, (value, msg):