Lots of improvements:

Houston:
* Add policyengine to reason about which component should handle a channel. Currently pretty rudimentary:-)
* Add signalhandler to allow for a graceful shutdown.
* On startup: Restore accounts to the state they were in on shutdown time.

Clientside Library:
* Add ChannelHandler class

Demos:
* Add simpleclient: It responds with "pong!" on incomming "ping!" jabber requests

Misc:
* Update email in copyright header.
* Update ChangeLog
* Update README