improve lockscreen look, feel and usability
in some cases, roster has no groups and doesn't allow create entry (google)
make sure db is not closed
sometimes this is null
only force connet server if Tor is on
make sure close cursors
update filterview to support multiconnection types
make sure we close cursors
each contact may be from a different connection
give the filterview the activity so it can get connections
fancy new lockscreen bg
lockscreen is only portrait now
fixes for hard exit/logout/shutdown