Update instructions for updating Header Tags SEO version 3.0.3 to
Header Tags SEO V 3.0.4 by Jack_mcs

1) Upload the following files:

admin/header_tags_fill_tags.php
admin/header_tags_seo.php
admin/includes/functions/header_tags.php
admin/includes/languages/english/header_tags_seo.php
includes/header_tags.php
includes/functions/header_tags.php
includes/modules/header_tags_social_bookmarks.php
