Feature #1498

Updated by Alexander Watzinger over 2 years ago

At the moment hierarchy and types cannot be deleted if entities or sub types are connected. One reason for this is to prevent deleting accidentally a lot of type information. Nevertheless there should be an option to do it because otherwise it could get very cumbersome to delete an obsolete hierarchy or type. 

 To ensure accidentally deletes we misuse: 
 * Only manager and admins should clearly have access to this functionality 
 * Clearly warn that connections to entities will be deleted recursively. recursively