added mobike=yes|no connection option

yes: include mobike support notifies as initiator
  no: only enable mobike as responder when initiator supports it
  default: yes

src/stroke/stroke.c

@@ -109,6 +109,7 @@ static int add_connection(char *name,
 	msg.add_conn.auth_method = 2;
 	msg.add_conn.eap_type = 0;
 	msg.add_conn.mode = 1;
+	msg.add_conn.mobike = 1;
 	
 	msg.add_conn.rekey.reauth = 0;
 	msg.add_conn.rekey.ipsec_lifetime = 0;

src/stroke/stroke.h

@@ -182,6 +182,7 @@ struct stroke_msg_t {
 			int auth_method;
 			int eap_type;
 			int mode;
+			int mobike;
 			struct {
 				char *ike;
 				char *esp;