Fix: "No permission to write: ItemMember" when deleting a member

PDF files are now supported in HTML5 content

Logs visible to managers under Setup

Retake Course: new checkbox to "Versuchszähler zurück zu setzen"

Upload: allow for 2GB uploads, even on the Video Import screen.

Member API: using NOT_NULL as search parameter would result in an error

Portal: the rounded corners of the cards would disappear in Safari in some cases

CKEditor: save/optimize images when page is saved

Logs page now has "search" box and type filter.

Allow "tel:" links when saving HTML editor

New Login with XING implementation

Pasted images in HTML editor will no longer get lost on save

Glossary terms in text are now decorated with a nice dashed underline

Fixes to the rich text editor

Sort Modules/Steps: the capability to rename the items was broken