Tag milestone 1

We want the milestone1 to be a specific snapshot of development. In this merge request all further needed changes for this tag should be collected.

changed milestone to %Interface and framework definition

created branch 49-tag-milestone-1

mentioned in merge request !11 (merged)

mentioned in merge request !10 (closed)

mentioned in merge request !9 (merged)

closed via merge request !11 (merged)

closed via commit c8d72192