Module: stub out xmlrpc_init()

similar to db_init(), create a stub xmlrpc_init() that's called during
module initialization, for doing XML-RPC setup stuff

Module.py

@@ -56,6 +56,9 @@ class Module(object):
         # set up database for this module
         self.db_init()
 
+        # set up XML-RPC for this module
+        self.xmlrpc_init()
+
         self.log.info("Loaded " + self.__class__.__name__)
 
     def register_handlers(self):
@@ -275,6 +278,15 @@ class Module(object):
 
         pass
 
+    def xmlrpc_init(self):
+        """Set up XML-RPC handlers.
+
+        Modules interested in this should implement registration here.
+
+        """
+
+        pass
+
     def do(self, connection, event, nick, userhost, what, admin):
         """Do the primary thing this module was intended to do, in most cases.