Cscope tag: get_and_set_current_group

1. line file
   1 871 lib/deprecatedlib.php <<setup_and_print_groups>>
   $currentgroup = get_and_set_current_group($course, $groupmode, $changegroup);
   2 886 lib/deprecatedlib.php <<setup_and_print_groups>>
   $currentgroup = get_and_set_current_group($course, $groupmode, $first->id);