Updated page builder and multiple bug fixes

【Contents of the fix】
■Updated page builder
■SSL support
■Support for PHP7
■Minor bug fixes.

The following are the files that have been modified for this update.
[Corrected files]
admin/inc/basic.php
admin/js/my_script.js
admin/theme-options.php
fonts/design_plus.eot
fonts/design_plus.svg
fonts/design_plus.ttf
fonts/design_plus.woff
functions.php
languages/ja.mo
languages/ja.po
page-templates/lp.php
pagebuilder/assets/admin/css/admin.css
pagebuilder/assets/admin/css/media-field.css
pagebuilder/assets/admin/css/repeater.css
pagebuilder/assets/admin/js/admin.js
pagebuilder/assets/admin/js/editor.js
pagebuilder/assets/admin/js/googlemap.js
pagebuilder/assets/admin/js/media-field.js
pagebuilder/assets/admin/js/repeater.js
pagebuilder/assets/css/pagebuilder.css
pagebuilder/assets/css/slider.css
pagebuilder/assets/css/tab.css
pagebuilder/assets/js/tab.js
pagebuilder/modules/catchcopy.php
pagebuilder/modules/editor.php
pagebuilder/modules/googlemap.php
pagebuilder/modules/headline.php
pagebuilder/modules/image.php
pagebuilder/modules/includes/media_field.php
pagebuilder/modules/slider.php
pagebuilder/modules/tab.php
pagebuilder/pagebuilder.php
style.css
widget/ad.php
widget/archive_dropdown.php
widget/category_list.php
widget/custom_drop_menu.php
widget/custom_menu.php
widget/google_search.php
widget/ranking_list.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

【Added files】
pagebuilder/assets/admin/js/simple_table.js
pagebuilder/assets/admin/js/slider.js
pagebuilder/assets/admin/js/tab.js
pagebuilder/assets/css/googlemap.css
pagebuilder/assets/css/simple_table.css
pagebuilder/assets/js/googlemap.js
pagebuilder/modules/includes/hex2rgb.php
pagebuilder/modules/includes/slick.php
pagebuilder/modules/includes/theme_options.php
pagebuilder/modules/simple_table.php

【Deleted files】
pagebuilder/assets/admin/css/admin_bk.css
pagebuilder/assets/admin/js/jscolor.js
pagebuilder/assets/img/slider_arrow1.png
pagebuilder/assets/img/slider_arrow2.png
pagebuilder/assets/js/slider.js
pagebuilder/modules/includes/jscolor.php