Implement authentication detection

* pending command to see which instances have never authenticated
* authcheck command to see which instances are not currently
  authenticated

modules/chankeep.py

@@ -12,7 +12,7 @@ def allRelaysActive(net):
     for i in main.network[net].relays.keys():
         name = net+str(i)
         if name in main.IRCPool.keys():
-            if main.IRCPool[name].isconnected and main.network[net].relays[i]["registered"]:
+            if main.IRCPool[name].authenticated and main.network[net].relays[i]["registered"]:
                 existNum += 1
     if existNum == relayNum:
         return True