removed options override from attachment->preview
help text can now be set in adminmodel
if no title is set, use filename instead of filename+extension
Set download=true in download of protected attachments as it includes the file extension.
Make it possible again to have multiple HABTM Attachment relations which are implemented as file uploaders. refs #19018
Put some settings from the AttachmentHelper to AttachmentLib and add extra function in AttachmentLib to return the full image url with a format.
Fixed merge conflict in Readme
Replaced thumb_error.png by thumb_error.jpg
op andere afbeeldingen klikken bij een zoom gallery wijzigt de main foto ipv te openen in een nieuwe tab
Removed br-tag from preview function, if needed you can add styling for that
Show progress bar also for protected file uploaders
Added retina support. refs #19371
Remove query string from file extension. refs #19394
Some small fixes for zoom gallery. refs #19387
Add hidden Admin action to clean orphan attachments + protected fixes