Amend copyright notice

php/settings.php

@@ -3,7 +3,7 @@
 /*
 MIT License
 
-Copyright (c) 2017
+Copyright (c) the AVsitter Contributors (http://avsitter.github.io)
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -282,4 +282,4 @@ function ip_in_range( $ip, $range ) {
     return ( ( $ip_decimal & $netmask_decimal ) == ( $range_decimal & $netmask_decimal ) );
 }
 
-?>
+?>