introduced callback_job:

simple asynchronous method invocation
  use daemons thread pool for all threads
  proper cancellation and cleanups
  cancellation mechanism to dynamically unload multithreaded code
unified event_queue and scheduler => scheduler
unified job_queue and thread_pool => processor
removed job_type_t, not really needed
fixes here, there and everywhere

src/charon/sa/tasks/child_rekey.c

@@ -206,7 +206,7 @@ static status_t process_i(private_child_rekey_t *this, message_t *message)
 			DBG1(DBG_IKE, "CHILD_SA rekeying failed, "
 				 				"trying again in %d seconds", retry);
 			this->child_sa->set_state(this->child_sa, CHILD_INSTALLED);
-			charon->event_queue->add_relative(charon->event_queue, job, retry * 1000);
+			charon->scheduler->schedule_job(charon->scheduler, job, retry * 1000);
 		}
 		return SUCCESS;
 	}