Make DrupalExtensionDiscovery::reset() static
Make DrupalExtensionDiscovery::reset() static

A site with the patch for https://www.drupal.org/node/2156401 applied throws an error, since it defines ExtensionDiscovery::reset() as a static function.
revagomes/DrupalConsole,revagomes/DrupalConsole,revagomes/DrupalConsole