Merge pull request #1 from speedismeh/master

tab focus fix
-add part button
-add action handlers for part, send, and website buttons
-fix message history
-beep on notice/error/highlight
-connection accessor moved from applicationpane to contentpane
-local user quit closes all tabs for that connection
-topic pane border fix
-dark icon on tab select
tray notifications, icons, use icon in taskbar
empty connect dialog that shows if "default-connection" setting is null, fancy blur effect
-saving/loading of connections
-added blank default contentpane
start of connect dialog
-finish connectpane
-misc stuff
Update README.md
Merge pull request #1 from zmansiv/master

merge