Dynamic World/Channel deployment + Channel scheduler update

Added "8-slot SETUP expand" item on the CashShop.
Solved a concurrency issue on the fameGainByQuest method.
Refactored many resource freeing modules throughout the source code.
Implemented dynamic deployment of worlds and channels on the server system. Only creation of channels and worlds are available on this feature.
Added a dedicated worker for schedules requested on EventManager.
Fixed a potential cause for deadlocks on the channel schedulers' system.
Refactored many schedules used by the EventManager and Channel, futher improving overall scheduling performance on the server.

src/scripting/event/EventManager.java

@@ -26,7 +26,6 @@ import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Properties;
-import java.util.concurrent.ScheduledFuture;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
@@ -42,7 +41,7 @@ import net.server.channel.Channel;
 import net.server.guild.MapleGuild;
 import net.server.world.MapleParty;
 import net.server.world.MaplePartyCharacter;
-import server.TimerManager;
+import scripting.event.worker.EventScriptScheduler;
 import server.expeditions.MapleExpedition;
 import server.maps.MapleMap;
 import server.life.MapleMonster;
@@ -53,7 +52,6 @@ import java.util.List;
 import java.util.ArrayList;
 import java.util.LinkedList;
 import java.util.Queue;
-import java.util.concurrent.locks.Lock;
 import net.server.audit.locks.MonitoredLockType;
 import net.server.audit.locks.MonitoredReentrantLock;
 
@@ -67,6 +65,7 @@ public class EventManager {
     private Channel cserv;
     private World wserv;
     private Server server;
+    private EventScriptScheduler ess = new EventScriptScheduler();
     private Map<String, EventInstanceManager> instances = new HashMap<String, EventInstanceManager>();
     private Map<String, Integer> instanceLocks = new HashMap<String, Integer>();
     private final Queue<Integer> queuedGuilds = new LinkedList<>();
@@ -76,8 +75,8 @@ public class EventManager {
     private Integer readyId = 0;
     private Properties props = new Properties();
     private String name;
-    private Lock lobbyLock = new MonitoredReentrantLock(MonitoredLockType.EM_LOBBY);
-    private Lock queueLock = new MonitoredReentrantLock(MonitoredLockType.EM_QUEUE);
+    private MonitoredReentrantLock lobbyLock = new MonitoredReentrantLock(MonitoredLockType.EM_LOBBY);
+    private MonitoredReentrantLock queueLock = new MonitoredReentrantLock(MonitoredLockType.EM_QUEUE);
 
     private static final int maxLobbys = 8;     // an event manager holds up to this amount of concurrent lobbys
     
@@ -92,12 +91,47 @@ public class EventManager {
         for(int i = 0; i < maxLobbys; i++) this.openedLobbys.add(false);
     }
 
-    public void cancel() {
+    public void cancel() {  // make sure to only call this when there are NO PLAYERS ONLINE to mess around with the event manager!
+        ess.dispose();
+        
         try {
             iv.invokeFunction("cancelSchedule", (Object) null);
         } catch (ScriptException | NoSuchMethodException ex) {
             ex.printStackTrace();
         }
+        
+        synchronized(instances) {
+            for(EventInstanceManager eim : instances.values()) {
+                eim.dispose();
+            }
+            instances.clear();
+        }
+        
+        List<EventInstanceManager> readyEims;
+        queueLock.lock();
+        try {
+            readyEims = new ArrayList<>(readyInstances);
+            readyInstances.clear();
+        } finally {
+            queueLock.unlock();
+        }
+        
+        for(EventInstanceManager eim : readyEims) {
+            eim.dispose();
+        }
+        
+        props.clear();
+        cserv = null;
+        wserv = null;
+        server = null;
+        iv = null;
+        
+        disposeLocks();
+    }
+    
+    private void disposeLocks() {
+        lobbyLock.dispose();
+        queueLock.dispose();
     }
     
     private static List<Integer> convertToIntegerArray(List<Double> list) {
@@ -123,12 +157,12 @@ public class EventManager {
         }
     }
 
-    public ScheduledFuture<?> schedule(String methodName, long delay) {
+    public EventScheduledFuture schedule(String methodName, long delay) {
         return schedule(methodName, null, delay);
     }
 
-    public ScheduledFuture<?> schedule(final String methodName, final EventInstanceManager eim, long delay) {
-        return TimerManager.getInstance().schedule(new Runnable() {
+    public EventScheduledFuture schedule(final String methodName, final EventInstanceManager eim, long delay) {
+        Runnable r = new Runnable() {
             @Override
             public void run() {
                 try {
@@ -137,11 +171,16 @@ public class EventManager {
                     Logger.getLogger(EventManager.class.getName()).log(Level.SEVERE, null, ex);
                 }
             }
-        }, delay);
+        };
+        
+        ess.registerEntry(r, delay);
+        
+        // hate to do that, but those schedules can still be cancelled, so well... Let GC do it's job
+        return new EventScheduledFuture(r, ess);
     }
 
-    public ScheduledFuture<?> scheduleAtTimestamp(final String methodName, long timestamp) {
-        return TimerManager.getInstance().scheduleAtTimestamp(new Runnable() {
+    public EventScheduledFuture scheduleAtTimestamp(final String methodName, long timestamp) {
+        Runnable r = new Runnable() {
             @Override
             public void run() {
                 try {
@@ -150,7 +189,10 @@ public class EventManager {
                     Logger.getLogger(EventManager.class.getName()).log(Level.SEVERE, null, ex);
                 }
             }
-        }, timestamp);
+        };
+        
+        ess.registerEntry(r, timestamp - server.getCurrentTime());
+        return new EventScheduledFuture(r, ess);
     }
 
     public World getWorldServer() {
@@ -187,7 +229,7 @@ public class EventManager {
     }
 
     public void disposeInstance(final String name) {
-        TimerManager.getInstance().schedule(new Runnable() {
+        ess.registerEntry(new Runnable() {
             @Override
             public void run() {
                 freeLobbyInstance(name);