* component-factory.c (request_quit): New.
(create_component): Pass it as the @request_quit_fn to
evolution_shell_component_new().
* e-msg-composer.c: New local `all_composers'; keeps a list of all
the composer windows created. Changed type of `parent_class' to
BonoboWindowClass *.
(do_exit): Cleaned up a bit. Raise the composer window before
showing the message box dialog.
(exit_dialog_cb): Removed.
(e_msg_composer_request_close_all): New.
(create_composer): Add the composer to the all_composers list and
weakref it.
(msg_composer_destroy_notify): GtkDestroyNotify function for the
composer's weakref; remove the composer from the all_composers
list.
svn path=/trunk/; revision=16930