Change the event_list to be a dictionary of known_events and their docstrings

deluge/event.py

@@ -41,15 +41,20 @@ and subsequently emitted to the clients.
 
 """
 
-event_list = []
+known_events = {}
 
 class DelugeEventMetaClass(type):
     """
     This metaclass simply keeps a list of all events classes created.
     """
     def __init__(cls, name, bases, dct):
-        event_list.append(name)
         super(DelugeEventMetaClass, cls).__init__(name, bases, dct)
+        if name != "DelugeEvent":
+            classdoc = cls.__doc__.splitlines()
+            if classdoc[0].strip():
+                known_events[name] = classdoc[0].strip()
+            else:
+                known_events[name] = classdoc[1].strip()
 
 class DelugeEvent(object):
     """