Miscellaneous cleanup and commenting

src/main/java/electroblob/wizardry/entity/projectile/EntityMagicMissile.java

@@ -13,7 +13,7 @@ public class EntityMagicMissile extends EntityMagicArrow {
 		super(world);
 	}
 
-	@Override public double getDamage(){ return 4.0d; }
+	@Override public double getDamage(){ return 4; }
 
 	@Override public boolean doGravity(){ return false; }