Drupal: Allow for Node Type specific page.tpl.php files (e.g., page--node--story.tpl.php, page--node--page.tpl.php, page--node--webform.tpl.php)

preprocess.inc

<?php

/**
 * Implementation of hook_preprocess_page().
 */
function MYTHEME_preprocess_page(&$variables, $hook) {

  // Allow for page templates, based on node type
  if (isset($variables['node'])) {
    $variables['theme_hook_suggestions'][] = 'page__node__' . str_replace('_', '--', $variables['node']->type);
  }

}