New Salvage ability for Repair!

Added a fully working ability to Repair. With this ability you can
salvage items and get bars in return.

- Added new permission node for Salvage ability
- Added new config options for Salvage
- Added new locale strings for Salvage
- Added a check to make sure that Repair Anvil != Salvage Anvil

src/main/resources/plugin.yml

@@ -366,6 +366,7 @@ permissions:
             mcmmo.ability.repair.repairbonus: true
             mcmmo.ability.repair.repairmastery: true
             mcmmo.ability.repair.arcaneforging: true
+            mcmmo.ability.repair.salvage: true
             mcmmo.ability.repair.woodrepair: true
             mcmmo.ability.repair.stonerepair: true
             mcmmo.ability.repair.leatherrepair: true
@@ -383,6 +384,8 @@ permissions:
         description: Allows access to Repair Mastery
     mcmmo.ability.repair.arcaneforging:
         description: Allows access to the Arcane Forging ability
+    mcmmo.ability.repair.salvage:
+        description: Allows access to the Salvage ability
     mcmmo.ability.repair.woodrepair:
         description: Allows ability to repair Wood tools
     mcmmo.ability.repair.stonerepair: