Hierarchy: Add breadcrumbs to display active type
Enable Controllers extending Nodes to have better experience

- The name Nodes are not hardcoded for better flash messages
- DOM Ids are not hardcoded and can be overriden via data API
BulkProcess: Redirect to referer
Merge branch '2.2-bulk' into 2.2

* 2.2-bulk:
  BulkProcess: Redirect to referer
  Enable Controllers extending Nodes to have better experience