Merge changes from topic 'yangman'

* changes:
  Yangman - make elements accessible via ids - part1
  Yangman - view switched to json when request is run from history
  Yangman - hide show previous item icon if there are no data
  Remove version tags from modules/*/pom.xml
  Yangman - delayed progress bar is displayed
  Yangman - zero out Status and Time-update
  Yangman - Show all items box showed for a moment-update
  Yangman - Rpc output list is appending elements instead of replacing
  Yangman - fix fill node after put request