vty: Add all mighty new vty interface for osmo-stp

This new interface allows to have multiple linksets, msc
connections and ways to connect those in one instance of
the osmo-stp. Forbid to reset linksets without an app.
diff --git a/include/ss7_application.h b/include/ss7_application.h
index 66ddd87..084a8f7 100644
--- a/include/ss7_application.h
+++ b/include/ss7_application.h
@@ -35,6 +35,7 @@
 };
 
 enum ss7_app_type {
+	APP_NONE,
 	APP_CELLMGR,
 	APP_RELAY,
 	APP_STP,
@@ -59,6 +60,7 @@
 	int type;
 
 	/* for the routing */
+	int route_is_set;
 	struct ss7_application_route route_src;
 	struct ss7_application_route route_dst;