Fixed a minor bug

【Contents of the fix】
■Fixes for PHP7 support.
■Removed non-existent quick tags from the display.
■Removed the old PHP description in the theme options.

The following are the files that have been modified for this update.
【Corrected files】
admin/js/mce-button.js
admin/theme-options.php
functions/custom-editor.php
language/ja.po
language/ja.mo
widget/ad.php
widget/archive_dropdown.php
widget/category_list.php
widget/custom_menu.php
widget/google_search.php
widget/styled_post_list1.php
widget/styled_post_list2.php
widget/styled_post_list3.php
widget/tab_post_list.php
widget/user_profile.php
style.css

For more information, please visit the download site for ANGEL (tcd047) purchasers.

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