* e-summary-preferences.c: Replace Gnotices with Footnotes.
* e-summary-tasks.c: New member config_listener in ESummaryTasks.
(e_summary_tasks_free): Unref the config_listener.
(config_listener_key_changed_cb): New, callback for the
config_listener.
(setup_task_folder): New helper function to set up access to the
task folder.
(setup_config_listener): New.
(e_summary_tasks_init): Use setup_config_listener() and
setup_task_folder().
* e-summary-calendar: New member config_listener in
ESummaryCalendar.
(setup_config_listener): New.
(config_listener_key_changed_cb): New callback for the
config_listener.
(setup_calendar): New.
(e_summary_calendar_init): Use setup_config_listener() and
setup_calendar().
svn path=/trunk/; revision=18417