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/command/Command_health.java

@@ -107,5 +107,4 @@ public class Command_health extends FreedomCommand
             return (double)tickCount / ((double)elapsed / 1000.0);
         }
     }
-
-}
+}