Converted music to mp3 / New tracks / Minor cleanup

core/assets/bundles/bundle.properties

@@ -507,7 +507,7 @@ zone.objective = [lightgray]Objective: [accent]{0}
 zone.objective.survival = Survive
 zone.objective.attack = Destroy Enemy Core
 add = Add...
-boss.health = Boss Health
+boss.health = Guardian Health
 
 connectfail = [scarlet]Connection error:\n\n[accent]{0}
 error.unreachable = Server unreachable.\nIs the address spelled correctly?