Multiple bug fixes

【Contents of fixes】
■Added a link to the owner’s site to the contributor’s profile.
■Added a function to automatically convert a URL into an external link when it is entered in the text of a contributor’s profile.
■Fixed a bug that “RSS” in the contributor profile did not link properly.
■Fixed a bug where the thumbnails in the footer carousel would not be displayed when the hover effect was set to fade.
■Fixed an issue where duplicate OGP tags were being output.
■Fixed a bug that the fixed footer bar for smartphones was not displayed when the footer CTA was hidden.
■Added wording in theme options.

The following are the files that have been modified for this update.
【Fixed files】
admin/inc/basic.php
languages/ja.mo
languages/ja.po
footer.php
functions.php
header.php
page-author-list.php
single.php
style.css