Add title to comment view controller.
Add hiding scrollbar on scrolling in profile search.
Replace favorites tab, add and move tag-browser tab instead.
Merge branch 'feature/tabbed-homescreen'

* feature/tabbed-homescreen:
  Replace favorites tab, add and move tag-browser tab instead.
Merge branch 'master' into feature/use-query-for-token-completion

* master:
  Replace favorites tab, add and move tag-browser tab instead.
  Add hiding scrollbar on scrolling in profile search.
  Add title to comment view controller.