staff -> admins

* rename everything containing staff back to admin (as requested by ryan i've renamed commands like slconfig to saconfig but left "slconfig" as an alias)
* format almost every file correctly
* a few other improvements

src/main/java/me/totalfreedom/totalfreedommod/blocking/PotionBlocker.java

@@ -82,5 +82,4 @@ public class PotionBlocker extends FreedomService
         }
         return false;
     }
-
-}
+}