Test glviewer view, and get average tile load time for zoom and pan operations
Merge branch 'dev/dj-selenium-tileload'

* dev/dj-selenium-tileload:
  Test glviewer view, and get average tile load time for zoom and pan operations
Always enter viewer in edit mode if the user has permission

Also remove the edit button, as it is now superfluous.
Merge branch 'viewer-edit-mode'

* viewer-edit-mode:
  Always enter viewer in edit mode if the user has permission