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_plugincontrol.java

@@ -135,7 +135,7 @@ public class Command_plugincontrol extends FreedomCommand
     @Override
     public List<String> getTabCompleteOptions(CommandSender sender, Command command, String alias, String[] args)
     {
-        if (!plugin.sl.isStaff(sender))
+        if (!plugin.al.isAdmin(sender))
         {
             return Collections.emptyList();
         }
@@ -190,4 +190,4 @@ public class Command_plugincontrol extends FreedomCommand
         }
         return null;
     }
-}
+}