Replace headspace for title and description

Use of Advanced Custom Fields Pro required

Added fields are

• quan_meta_title (string)
• quan_meta_description (string)
• quan_meta_robots (array)
• quan_meta_language (string) ISO 639-1 Language Code
• quan_meta_hreflang (repeater)
  • quan_meta_hreflang_code (string) ISO 639-1 Language Code & ISO 3166-1 alpha-2 Country Code
  • quan_meta_hreflang_url (string/url)

To correctly display the language add <?php language_attributes(); ?> to the html tag, see: languages_attributes()