Use generic lists for events.

Use the new generic list implementation instead of those insane "next"
pointers in events. Includes some cleanups.

Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>

src/dmon.c

@@ -172,6 +172,7 @@ dmon_start (int parent_exit_status)
                path_apts, strerror (errno));
   apoint_llist_init ();
   recur_apoint_llist_init ();
+  event_llist_init ();
   io_load_app ();
   data_loaded = 1;