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/npc/1012112.js

@@ -20,7 +20,8 @@
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 /**
- * @author BubblesDev, Ronan
+ * @author BubblesDev
+ * @author Ronan
  * @NPC Tory
  */