Frozen mode message type static

- I can't get the dynamic loading to work on OSX in frozen mode
- I think that if someone wants to build a frozen executable with custom
  messagetypes modules, he can edit the file
- so now it lists the existing types manually (for frozen mode only)

src/messagetypes/__init__.py

@@ -28,15 +28,11 @@ def constructObject(data):
     else:
         return returnObj
 
-mods = []
 if paths.frozen is not None:
-    with open(path.join(path.dirname(path.dirname(__file__)), 'messagetypes.txt'), 'rt') as f:
-        for m in f.readlines():
-            mods.append(m.rstrip())
+    import messagetypes.message
+    import messagetypes.vote
 else:
-    mods = listdir(path.dirname(__file__))
-
-for mod in mods:
+    for mod in listdir(path.dirname(__file__)):
         if mod == "__init__.py":
             continue
         splitted = path.splitext(mod)