Quazgar authored 4 years ago and Henrik tom Wörden committed 4 years ago

Also amended Changelog and Readme.

* The version information is displayed when the user clicks on a clock icon on the right side of the entity panel's header.
* The user is warned, when the displayed entity is not the latest version of that entity.
* The Edit Mode does not allow to edit old versions
* The Preview (click on the eye symbol) loads and shows the entities in the referenced version (single references and lists)