Allowing node template in your module directory

gistfile1.aw

/**
 * Implements hook_theme_registry_alter().
 */
function mymodule_theme_registry_alter(&$info) {
  // Inject our module into the node theme registry as being an available theme
  // path so that we can override the node template for our content type.
  array_splice($info['node']['theme paths'], 1, 0, array(drupal_get_path('module', 'mymodule')));
}