deleting files related to the old resizable, the icons in roma and clear directories, what made them apper in theme.css in roma and clear too, and what activated resizable in site update. delted resize.inc as it is not used anywhere else and deleting some old comments in search.tpl
* Redesign of album manager to correspond to the group manager
* Bug fix on move album : album can now be moved in first place
* Design fixes on album edit, especially on thumbnail
* Minor design fixes
* Change the appearance of the filter actions
* Minor design fixes
* (Global design) Add a new CSS class : buttonGradient and apply it on the button add photos on add photos page
* Change batch manager checkbox to correspond to tag manager
* See button on picture edit page is now unavailable if the picture is in a private album
* Language correction
* Design fixes on batch manager selects (and general design fixes on batch manager)
* Minor design fixes
* Add a dark mode to the tag manager
* Change design of the select number tag per page to correspond to the tag manager
* Small design fixes
* Clean and reorder css files
* Create the new design of tag manager
* Replace all actions by ajax actions
* Add delete, rename, duplicate and merge tag's functions in the Piwigo API
* Modification of group manager to match both designs
* Icon colour standardized with intro page in css
* Dark mode colour changes
* Load state changes on several actions (especially in delete popin)
* Rename group action is now effective if the name didn't change
* Implement new API function pwg.groups.merge
* Generalize the delete group function in admin/include/functions.php
* Implement merge action in Group Manager
* Add loading state on grouped delete in group manager
* Member manager's design fixes
Light mode and dark mode color change to group block when checked in selection mode, and to the group icon (changed to orange) number of members made orange.
Dark mode selection mode orange color made darker
Dark mode group name changes to black when checked, changes via jquery (BlackFont class added)
* Hide album selection after creation
* Correctly center the welcome box
* Better alignment for select files info
* Remove summary for select files info, always display details
* Fix dynamic margins in album popin
* Simplify show/hide blocks when no album available
* Make file selection button secondary when files added to queue
* [header] replace the color switcher by a light/dark (sun/moon) action link
* [footer] add icons for piwigo.org doc & forum
* [footer] replace Piwigo logo with a clean SVG version, created by @mistic100
* [header/footer] remove "|" separators
* [header] limit title display to 50% of page width (with ellipsis on overflow)
* [header] media query to hide link labels below 800px
* [header] switch color of home icon on hover
* on clear theme, change header/footer background color to #333 (dark grey) like on current Piwigo.org
