Merge pull request #51 from SunboX/master

Added favicon
Wiring up the contacts
Show nick/jid and status of logged in user
Fetching roster, broadcasting presence...
ContactsCtrl now w/ status & username
Handling subscription requests now.
Removing some debug logging
Merge pull request #52 from AVGP/issue-24

Issue 24: Contact roster, presence
Merge pull request #53 from AVGP/subscription-request-handling

Subscription request handling
Use "Done" to save settings and "Test Connection" to validate