Horntail PQ & Exped + Equip levelup fix

Added Horntail PQ and boss fight. Fixed short integer overflow of
equipment stats on client messing up player stats.

scripts/reactor/2401000.js

@@ -19,14 +19,17 @@
     You should have received a copy of the GNU Affero General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
-/* @Author Aexr
+/* @Author Aexr, Ronan
  * 2401000.js: Horntail's Cave - Summons Horntail.
 */
 
 function act() {
     rm.changeMusic("Bgm14/HonTale");
     if (rm.getReactor().getMap().getMonsterById(8810026) == null) {
-        rm.spawnMonster(8810026,71,260);
+        rm.getReactor().getMap().spawnHorntailOnGroundBelow(new java.awt.Point(71,260));
+        
+        var eim = rm.getEventInstance();
+        eim.restartEventTimer(60 * 60000);
     }
     rm.mapMessage(6, "From the depths of his cave, here comes Horntail!");
 }