Handle message types in formatter

Most messages will work with or without the Message tail, e.g. SetDateMessage
vs. SetDate. The exception to this is SetMessageMessage, which must be specified
fully.

i2p2www/formatters.py

@@ -716,6 +716,10 @@ class I2PHtmlFormatter(Formatter):
 
             if tagsfile and ttype in Token.Name.Class:
                 filename, kind = self._lookup_ctag(value)
+                # Handle message types
+                if not kind and value.endswith('Message'):
+                    value = value[:-7]
+                    filename, kind = self._lookup_ctag(value)
                 if kind:
                     base, filename = os.path.split(filename)
                     if base: