Quick tag and ranking page specification changes

【Contents of modification】
■Changes to the specifications of the theme options 【Quick Tags】.
 ・Deleted “Flat Button”, “Rounded Button”, and “Round Button”.
 ・Added “Button 3 Settings”.
 ・Changed and corrected the names of the quick tags in the editor.
   ”Custom button” → “Button”
   ”Callout Right 3″ → “Callout Right 1″
   ”Callout Right 4” → “Callout Right 2”
 ・Removed “Quick Tag Settings” in the theme options “Basic Settings”.
■Added tab function to the ranking page.
 ・It is now possible to display rankings for up to three periods.
※If the number of accesses is not counted for a period other than the whole period, it will start counting by applying another theme and then returning to this theme.

The following are the files that have been modified for this update.
【Modified file】
admin/css/editor-style-02.css
admin/inc/basic.php
admin/inc/quicktag.php
admin/theme-options.php
functions.php
functions/custom_editor.php
functions/head.php
functions/page_ranking_cf.php
functions/views.php
js/functions.js
languages/ja.mo
languages/ja.po
page__ranking.php
style.css
template-parts/article-loop.php