Change some custom event to let them be async

src/main/java/fr/xephi/authme/events/CustomEvent.java

@@ -13,6 +13,14 @@ public class CustomEvent extends Event implements Cancellable {
     private boolean isCancelled;
     private static final HandlerList handlers = new HandlerList();
 
+    public CustomEvent() {
+        super(false);
+    }
+
+    public CustomEvent(boolean b) {
+        super(b);
+    }
+
     public HandlerList getHandlers() {
         return handlers;
     }

src/main/java/fr/xephi/authme/events/FirstSpawnTeleportEvent.java

@@ -16,6 +16,7 @@ public class FirstSpawnTeleportEvent extends CustomEvent {
     private Location from;
 
     public FirstSpawnTeleportEvent(Player player, Location from, Location to) {
+        super(true);
         this.player = player;
         this.from = from;
         this.to = to;

src/main/java/fr/xephi/authme/events/PasswordEncryptionEvent.java

@@ -22,6 +22,7 @@ public class PasswordEncryptionEvent extends Event {
     private String playerName = "";
 
     public PasswordEncryptionEvent(EncryptionMethod method, String playerName) {
+        super(true);
         this.method = method;
         this.playerName = playerName;
     }

src/main/java/fr/xephi/authme/events/ProtectInventoryEvent.java

@@ -20,6 +20,7 @@ public class ProtectInventoryEvent extends CustomEvent {
 
     public ProtectInventoryEvent(Player player, ItemStack[] storedinventory,
             ItemStack[] storedarmor) {
+        super(true);
         this.player = player;
         this.storedinventory = storedinventory;
         this.storedarmor = storedarmor;

src/main/java/fr/xephi/authme/events/ResetInventoryEvent.java

@@ -13,6 +13,7 @@ public class ResetInventoryEvent extends CustomEvent {
     private Player player;
 
     public ResetInventoryEvent(Player player) {
+        super(true);
         this.player = player;
     }
 

src/main/java/fr/xephi/authme/events/RestoreInventoryEvent.java

@@ -22,6 +22,14 @@ public class RestoreInventoryEvent extends CustomEvent {
         this.armor = armor;
     }
 
+    public RestoreInventoryEvent(Player player, ItemStack[] inventory,
+            ItemStack[] armor, boolean b) {
+        super(b);
+        this.player = player;
+        this.inventory = inventory;
+        this.armor = armor;
+    }
+
     public ItemStack[] getInventory() {
         return this.inventory;
     }

src/main/java/fr/xephi/authme/events/StoreInventoryEvent.java

@@ -28,8 +28,7 @@ public class StoreInventoryEvent extends CustomEvent {
         try {
             this.inventory = fileCache.readCache(player).getInventory();
             this.armor = fileCache.readCache(player).getArmour();
-        } catch (Exception e)
-        {
+        } catch (Exception e) {
             this.inventory = player.getInventory().getContents();
             this.armor = player.getInventory().getArmorContents();
         }