New PQ: Boss Rush PQ + Ellin/PiratePQ bug fixes

Introducing Boss Rush PQ. Corrected a few issues regarding rewardings in
PiratePQ and EllinPQ and implemented a standardized way to script PQs.

src/server/quest/actions/ExpAction.java

@@ -47,7 +47,7 @@ public class ExpAction extends MapleQuestAction {
 	
 	@Override
 	public void run(MapleCharacter chr, Integer extSelection) {
-		if (chr.isBeginnerJob()) {
+		if (chr.isBeginnerJob() && chr.getLevel() < 10) {
 			chr.gainExp(exp, true, true);
 		} else {
 			chr.gainExp(exp * chr.getExpRate(), true, true);