Prevents save attempt on exiting a contentview when not logged in.
changed look and feel of the navbar
Updates navbar behaviour to follow back semantics properly.
Merge pull request #2581 from rtibbles/navbar_back_again

Tweaks and fixes for topics rendering
Merge pull request #2578 from howdyitshelena/autocomplete

changed look and feel of the navbar
Prevents attempt to load progress logs for topic entries if not logged in.
Fixes navigation issues due to confusion of current_level.