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_lastcmd.java

@@ -42,4 +42,4 @@ public class Command_lastcmd extends FreedomCommand
 
         return true;
     }
-}
+}