Minor fixes (#662)

• Fixed Bottlebending breaking (needs testing)
• Fixed CoreAbility not returning all abilities with
CoreAbility.getAbilities()
• Added new ability.setPlayer(...) method that is used for moves that
change who created the ability (used for redirection)

src/com/projectkorra/projectkorra/ability/CoreAbility.java

@@ -286,7 +286,7 @@ public abstract class CoreAbility implements Ability {
 	 *         {@link #registerAbilities()}
 	 */
 	public static ArrayList<CoreAbility> getAbilities() {
-		return new ArrayList<CoreAbility>(ABILITIES_BY_NAME.values());
+		return new ArrayList<CoreAbility>(ABILITIES_BY_CLASS.values());
 	}
 
 	/**
@@ -607,6 +607,19 @@ public abstract class CoreAbility implements Ability {
 	public Player getPlayer() {
 		return player;
 	}
+	
+	/**
+	 * Changes the player that owns this ability instance. Used for redirection 
+	 * and other abilities that change the player object.
+	 * 
+	 * @param player The player who now controls the ability
+	 */
+	public void setPlayer(Player player) {
+		INSTANCES_BY_PLAYER.get(this.getClass()).get(this.player.getUniqueId()).remove(this.getId());
+		INSTANCES_BY_PLAYER.get(this.getClass()).get(player.getUniqueId()).put(this.getId(), this);
+		
+		this.player = player;
+	}
 
 	/**
 	 * Used by the CollisionManager to check if two instances can collide with
@@ -731,4 +744,4 @@ public abstract class CoreAbility implements Ability {
 		return DEFAULT_COLLISION_RADIUS;
 	}
 
-}
+}

src/com/projectkorra/projectkorra/waterbending/IceSpikeBlast.java

@@ -210,7 +210,7 @@ public class IceSpikeBlast extends IceAbility {
 
 	private void redirect(Location destination, Player player) {
 		this.destination = destination;
-		this.player = player;
+		this.setPlayer(player);
 	}
 
 	@Override

src/com/projectkorra/projectkorra/waterbending/WaterManipulation.java

@@ -317,7 +317,7 @@ public class WaterManipulation extends WaterAbility {
 				targetDirection = GeneralMethods.getDirection(location, targetlocation).normalize();
 			}
 			targetDestination = targetlocation;
-			this.player = player;
+			this.setPlayer(player);
 		}
 	}