Allow to reorder the pages and subpages position. Added doks theme

Allows us to reuse previous uploaded images.
​

sort the dropdown list of categories alphabetically when adding or editing a post

Publish a post with future date or time, it will go into scheduled posts.

Allow to use tag like C++ and double check for the same tag slug.

See: https://jqueryui.com/autocomplete/#multiple

system/htmly.php
- Loads language files from folder lang/
- Sets language settings for date and time format
system/includes/dispatch.php
- function i18n() returns translated strings

Simplify add and edit content. Bugs fixes and improvements.