Added a heading "editing page" in page editor for visual appeal; removed use of alternate <?= ?> syntax in installer as it was causing problems on Win2k3 + PHP/FastCGI. (Experimentally using TortoiseHG's hgtk to commit)

{
  // Language metadata
  lang_name_english: 'English',
  lang_name_native: 'English',
  lang_code: 'eng'
}