Misc code fixes

src/main/java/com/gmail/nossr50/events/chat/McMMOChatEvent.java

@@ -7,8 +7,8 @@ import org.bukkit.plugin.Plugin;
 
 public abstract class McMMOChatEvent extends Event implements Cancellable {
     private boolean cancelled;
-    private Plugin plugin;
-    private String sender;
+    private final Plugin plugin;
+    private final String sender;
     private String displayName;
     private String message;
 

src/main/java/com/gmail/nossr50/events/chat/McMMOPartyChatEvent.java

@@ -6,7 +6,7 @@ import org.bukkit.plugin.Plugin;
  * Called when a chat is sent to a party channel
  */
 public class McMMOPartyChatEvent extends McMMOChatEvent {
-    private String party;
+    private final String party;
 
     public McMMOPartyChatEvent(Plugin plugin, String sender, String displayName, String party, String message) {
         super(plugin, sender, displayName, message);

src/main/java/com/gmail/nossr50/events/hardcore/McMMOPlayerVampirismEvent.java

@@ -5,7 +5,7 @@ import org.bukkit.entity.Player;
 import java.util.HashMap;
 
 public class McMMOPlayerVampirismEvent extends McMMOPlayerDeathPenaltyEvent {
-    private boolean isVictim;
+    private final boolean isVictim;
 
     public McMMOPlayerVampirismEvent(Player player, boolean isVictim, HashMap<String, Integer> levelChanged, HashMap<String, Float> experienceChanged) {
         super(player, levelChanged, experienceChanged);

src/main/java/com/gmail/nossr50/events/party/McMMOPartyAllianceChangeEvent.java

@@ -6,9 +6,9 @@ import org.bukkit.event.HandlerList;
 import org.bukkit.event.player.PlayerEvent;
 
 public class McMMOPartyAllianceChangeEvent extends PlayerEvent implements Cancellable {
-    private String oldAlly;
-    private String newAlly;
-    private EventReason reason;
+    private final String oldAlly;
+    private final String newAlly;
+    private final EventReason reason;
     private boolean cancelled;
 
     public McMMOPartyAllianceChangeEvent(Player player, String oldAlly, String newAlly, EventReason reason) {
@@ -62,7 +62,7 @@ public class McMMOPartyAllianceChangeEvent extends PlayerEvent implements Cancel
         /**
          * Any reason that doesn't fit elsewhere.
          */
-        CUSTOM;
+        CUSTOM
     }
 
     /** Following are required for Cancellable **/

src/main/java/com/gmail/nossr50/events/party/McMMOPartyChangeEvent.java

@@ -9,9 +9,9 @@ import org.bukkit.event.player.PlayerEvent;
  * Called when a player attempts to join, leave, or change parties.
  */
 public class McMMOPartyChangeEvent extends PlayerEvent implements Cancellable {
-    private String oldParty;
-    private String newParty;
-    private EventReason reason;
+    private final String oldParty;
+    private final String newParty;
+    private final EventReason reason;
     private boolean cancelled;
 
     public McMMOPartyChangeEvent(Player player, String oldParty, String newParty, EventReason reason) {
@@ -75,7 +75,7 @@ public class McMMOPartyChangeEvent extends PlayerEvent implements Cancellable {
         /**
          * Any reason that doesn't fit elsewhere.
          */
-        CUSTOM;
+        CUSTOM
     }
 
     /** Following are required for Cancellable **/

src/main/java/com/gmail/nossr50/events/party/McMMOPartyLevelUpEvent.java

@@ -6,7 +6,7 @@ import org.bukkit.event.Event;
 import org.bukkit.event.HandlerList;
 
 public class McMMOPartyLevelUpEvent extends Event implements Cancellable {
-    private Party party;
+    private final Party party;
     private int levelsChanged;
     private boolean cancelled;
 

src/main/java/com/gmail/nossr50/events/party/McMMOPartyTeleportEvent.java

@@ -8,8 +8,8 @@ import org.bukkit.event.player.PlayerTeleportEvent;
  * Called just before a player teleports using the /ptp command.
  */
 public class McMMOPartyTeleportEvent extends PlayerTeleportEvent {
-    private String party;
-    private Player target;
+    private final String party;
+    private final Player target;
 
     public McMMOPartyTeleportEvent(Player player, Player target, String party) {
         super(player, player.getLocation(), target.getLocation(), TeleportCause.COMMAND);

src/main/java/com/gmail/nossr50/events/party/McMMOPartyXpGainEvent.java

@@ -6,7 +6,7 @@ import org.bukkit.event.Event;
 import org.bukkit.event.HandlerList;
 
 public class McMMOPartyXpGainEvent extends Event implements Cancellable {
-    private Party party;
+    private final Party party;
     private float xpGained;
     private boolean cancelled;
 

src/main/java/com/gmail/nossr50/events/players/McMMOPlayerProfileLoadEvent.java

@@ -9,8 +9,8 @@ import org.bukkit.event.HandlerList;
 
 public class McMMOPlayerProfileLoadEvent extends Event implements Cancellable {
     private boolean cancelled;
-    private PlayerProfile profile;
-    private Player player;
+    private final PlayerProfile profile;
+    private final Player player;
     public McMMOPlayerProfileLoadEvent(Player player, PlayerProfile profile){
         super(!Bukkit.isPrimaryThread());
 

src/main/java/com/gmail/nossr50/events/skills/abilities/McMMOPlayerAbilityEvent.java

@@ -6,7 +6,7 @@ import com.gmail.nossr50.events.skills.McMMOPlayerSkillEvent;
 import org.bukkit.entity.Player;
 
 public class McMMOPlayerAbilityEvent extends McMMOPlayerSkillEvent {
-    private SuperAbilityType ability;
+    private final SuperAbilityType ability;
 
     protected McMMOPlayerAbilityEvent(Player player, PrimarySkillType skill) {
         super(player, skill);

src/main/java/com/gmail/nossr50/events/skills/alchemy/McMMOPlayerBrewEvent.java

@@ -9,7 +9,7 @@ import org.bukkit.entity.Player;
 import org.bukkit.event.Cancellable;
 
 public class McMMOPlayerBrewEvent extends McMMOPlayerSkillEvent implements Cancellable {
-    private BlockState brewingStand;
+    private final BlockState brewingStand;
 
     private boolean cancelled;
 

src/main/java/com/gmail/nossr50/events/skills/fishing/McMMOPlayerMagicHunterEvent.java

@@ -7,7 +7,7 @@ import org.bukkit.inventory.ItemStack;
 import java.util.Map;
 
 public class McMMOPlayerMagicHunterEvent extends McMMOPlayerFishingTreasureEvent {
-    private Map<Enchantment, Integer> enchants;
+    private final Map<Enchantment, Integer> enchants;
 
     public McMMOPlayerMagicHunterEvent(Player player, ItemStack treasure, int xp, Map<Enchantment, Integer> enchants) {
         super(player, treasure, xp);

src/main/java/com/gmail/nossr50/events/skills/repair/McMMOPlayerRepairCheckEvent.java

@@ -10,9 +10,9 @@ import org.bukkit.inventory.ItemStack;
  * Called just before a player repairs an object with mcMMO.
  */
 public class McMMOPlayerRepairCheckEvent extends McMMOPlayerSkillEvent implements Cancellable {
-    private short repairAmount;
-    private ItemStack repairMaterial;
-    private ItemStack repairedObject;
+    private final short repairAmount;
+    private final ItemStack repairMaterial;
+    private final ItemStack repairedObject;
     private boolean cancelled;
 
     public McMMOPlayerRepairCheckEvent(Player player, short repairAmount, ItemStack repairMaterial, ItemStack repairedObject) {

src/main/java/com/gmail/nossr50/events/skills/salvage/McMMOPlayerSalvageCheckEvent.java

@@ -10,9 +10,9 @@ import org.bukkit.inventory.ItemStack;
  * Called just before a player salvages an item with mcMMO.
  */
 public class McMMOPlayerSalvageCheckEvent extends McMMOPlayerSkillEvent implements Cancellable {
-    private ItemStack salvageItem;
-    private ItemStack salvageResults;
-    private ItemStack enchantedBook;
+    private final ItemStack salvageItem;
+    private final ItemStack salvageResults;
+    private final ItemStack enchantedBook;
     private boolean cancelled;
 
     public McMMOPlayerSalvageCheckEvent(Player player, ItemStack salvageItem, ItemStack salvageResults, ItemStack enchantedBook) {

src/main/java/com/gmail/nossr50/events/skills/unarmed/McMMOPlayerDisarmEvent.java

@@ -7,7 +7,7 @@ import org.bukkit.event.Cancellable;
 
 public class McMMOPlayerDisarmEvent extends McMMOPlayerSkillEvent implements Cancellable {
     private boolean cancelled;
-    private Player defender;
+    private final Player defender;
 
     public McMMOPlayerDisarmEvent(Player defender) {
         super(defender, PrimarySkillType.UNARMED);