Two factor authentication on front-end

When two factor authentication is enabled and in all plugins it is set to use it only in back-end then in front-end secret key field should be hidden in users component as in login module.
http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_id=8103&tracker_item_id=33153
Update view.html.php
Merge pull request #2801 from piotrmocko/patch-10

Two factor authentication on front-end