better notification support; dock icon;
system tray icon;
notification is given when the new message is received
and the dialog is not active window;
notification requires growl in Mac OS X
icon also changes until the window is reactivated
diff --git a/.gitignore b/.gitignore
index 5cd902d..a8568fd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@
 ui_*
 moc_*
 *.pb.*
+qrc*