Greet introduced contacts in GUI.
Rebased with newKeyExchange now outside beginPandaKeyExchange
Preliminary introduction screen and sidebar button to GUI.  Joint effort between Alan Fay <alan@faysoftware.com> and Ramnarayan Vedam <rvedam@gmail.com>
Better approach to the introductions GUI.
Added UI elements for Introductions Message Compose and Send.
Joint effort by Jeff Burdges <burdges@gmail.com> and Ram Vedam <rvedam@gmail.com>
Refactor composeUI into composeUI and newDraftUI.  This'll simply creating messages to specific recipiants and makes the code more redable.
Actually fill in the Dark Web of Trust values