/**
  * Performs a quick check for plugin install state.
  * Also updates plugin options as needed. This handles minor updates
  * (i.e. no database changes).
  *
  * @access public
  * @static
  */
 function check()
 {
     $is_installed = get_option('agm_google_maps', false);
     if ($is_installed) {
         return AgmPluginInstaller::check_and_update_options($is_installed);
     } else {
         AgmPluginInstaller::install();
     }
 }