Closer to having chats showing in individual tabs

Things that could be done that would greatly improve this design

* put the nstextview for each tab ON each tab item
  ( or on a designated tab controller )
* remove the connection code from GLGChatView
  something that could handle *trying to connect to a server*
    -- and reading the *actual* hostname would be __grand__
Respond to PING requests

Stayin alive, one PONG at a time.