removed notification mode option from config file and dialog
changed copyright date in config dialog
s/python/python2 in mailnag and mailnag_config scripts
shutdown existing Mailnag instance via dbus instead of pkill
fixed cleanup function
use constants for DBUS busname and object path
stripped down Mailnag to a core functionality
overhauled config gui that reflects the changes and introduces plugins
disable/restart daemon via dbus call when closing the config gui
refactoring
bumped up version to 0.9.9