Fixed page and smartphone fixed footer bar bug fixes

【Contents of the fix】
■Fixed a bug that shortcodes could not be used in the editor of fixed page templates 1 to 4.
■Fixed a bug in the fixed footer bar for smartphones and updated it.
※Changed the share button icon and modified the share content.
■Fixed structured markup in breadcrumb list.

The following are the files that have been modified for this update.
【Corrected files】
admin/theme-options.php
breadcrumb.php
footer-bar.css
footer-bar.php
footer.php
functions/head.php
js/footer-bar.js
languages/ja.mo
languages/ja.po
page/template1.php
page/template2.php
page/template3.php
page/template4.php
style.css
【Files we added】
img/common/facebook.png
img/common/line.png
img/common/twitter.png
js/footer-bar2.js

For more information, please visit the MAG(tcd036) download site for purchasers.