Maintaining the theme options screen and addressing bugs caused by browser updates

【Fixes】
■Change in theme option wording
(“Don’t use overlay” -> “Don’t use overlay (display materials as they are)”)
■Changed the value of the recommended image size in the theme options – header image slider.
■Fixed a flickering load icon bug in the latest version of firefox.

The following files have been modified for this update.
【Fixed files】
admin/theme-options.php
archive-news.php
functions/head.php
header.php
languages/ja.mo
languages/ja.po
style.css

For more information, please visit the ORION(tcd037) download site for purchasers.