GuildPQ Queue system + revamped Warp mechanic

Added a queue system for waiting guilds outside the GPQ area. Changed
the way players are transported through maps on non-portal passing
cases: if not defined, a spawn point is chosen randomly for each player.

src/client/MapleCharacter.java

@@ -1124,7 +1124,14 @@ public class MapleCharacter extends AbstractAnimatedMapleMapObject {
     }
 
     public void changeMap(int map) {
-        changeMap(map, 0);
+        MapleMap warpMap;
+        if (getEventInstance() != null) {
+            warpMap = getEventInstance().getMapInstance(map);
+        } else {
+            warpMap = client.getChannelServer().getMapFactory().getMap(map);
+        }
+        
+        changeMap(warpMap, warpMap.getRandomPlayerSpawnpoint());
     }
 
     public void changeMap(int map, int portal) {
@@ -3343,6 +3350,10 @@ public class MapleCharacter extends AbstractAnimatedMapleMapObject {
     public boolean isPartyLeader() {
         return party.getLeaderId() == getId();
     }
+    
+    public boolean isGuildLeader() {    // true on guild master or jr. master
+        return guildid > 0 && guildRank < 3;
+    }
 
     public void leaveMap() {
         controlled.clear();