* adjust the directory structure.
 - remove the app directory.
 * move the package to tools.
 * move www/* to /
 * move .htaccess to /.
 * adjust the directory structure.
 * add comments for .htaccess file.
 * rename to my.css.
 + import the bootstrap ui framework.
 - use js/bootstrap.min.js instead.
  + import bootstrap, html5shiv, jquery and pjax js files.
 * rewrite the footer and header using bootstrap.
 * adjust the meta and import method.
 * adjust langs.
 - remove the runinfo.
 + add pjax, lang switcher call.
 * remove the auto company condition.
 * adjust the lang switcher.
 * turn off the English language temp.
 * add btn-primary css to submitButton().