rename register_hook to just hook, for consistency with the perl

plugins/proxy.py

@@ -151,7 +151,7 @@ class IkiWikiProcedureProxy(object):
         self._xmlrpc_handler = _IkiWikiExtPluginXMLRPCHandler(self._debug_fn)
         self._xmlrpc_handler.register_function(self._importme, name='import')
 
-    def register_hook(self, type, function):
+    def hook(self, type, function):
         self._hooks.append((type, function.__name__))
         self._xmlrpc_handler.register_function(function)
 

plugins/rst

@@ -34,5 +34,5 @@ def debug(s):
     sys.stderr.flush()
 
 proxy = IkiWikiProcedureProxy(__name__, debug_fn=None)
-proxy.register_hook('htmlize', rst2html)
+proxy.hook('htmlize', rst2html)
 proxy.run()