Fix forward/back while browsing Tree hierarchy
Created by: rspeicher
Adds History.js for better browser history while browsing the Tree.
Closes #1578 (closed)
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Created by: rspeicher
Adds History.js for better browser history while browsing the Tree.
Closes #1578 (closed)