Add customboost 'mcmmo.perks.xp.customboost.all' perk permission node

Changelog.txt

@@ -1,4 +1,5 @@
 Version 2.1.182
+    You can now use '.all' (for example: mcmmo.perks.xp.customboost.all) to give an XP perk to all skills
     Removed hardcore and vampirism commands, these commands are dangerous, just modify the config file if you want to use hardcore / vampirism
     Fixed several errors in de locale (Thanks TheBusyBiscuit & w1tcherrr)
     Fixed a bug where double smelt never succeeded if the furnace was empty

src/main/java/com/gmail/nossr50/util/Permissions.java

@@ -124,7 +124,12 @@ public final class Permissions {
     public static boolean doubleXp(Permissible permissible, PrimarySkillType skill) { return permissible.hasPermission("mcmmo.perks.xp.double." + skill.toString().toLowerCase(Locale.ENGLISH)); }
     public static boolean oneAndOneHalfXp(Permissible permissible, PrimarySkillType skill) { return permissible.hasPermission("mcmmo.perks.xp.50percentboost." + skill.toString().toLowerCase(Locale.ENGLISH)); }
     public static boolean oneAndOneTenthXp(Permissible permissible, PrimarySkillType skill) { return permissible.hasPermission("mcmmo.perks.xp.10percentboost." + skill.toString().toLowerCase(Locale.ENGLISH)); }
-    public static boolean customXpBoost(Permissible permissible, PrimarySkillType skill) { return permissible.hasPermission("mcmmo.perks.xp.customboost." + skill.toString().toLowerCase(Locale.ENGLISH)); }
+
+    public static boolean customXpBoost(Permissible permissible, PrimarySkillType skill) {
+        return permissible.hasPermission("mcmmo.perks.xp.customboost.all")
+            ||permissible.hasPermission("mcmmo.perks.xp.customboost." + skill.toString().toLowerCase(Locale.ENGLISH));
+    }
+
 
     /* ACTIVATION PERKS */
     public static boolean twelveSecondActivationBoost(Permissible permissible) { return permissible.hasPermission("mcmmo.perks.activationtime.twelveseconds"); }