Also removed code now useless since recent add in frontcontroller of the token_auth being used in all controller actions, when it used to work only for widgets

THe visitor Log in Iframe mode looks nice, full screen view, and easy to view 500 at once. Can give a clear picfture of a few typical use cases and could be quite fun to do.

git-svn-id: http://dev.piwik.org/svn/trunk@6314 59fd770c-687e-43c8-a1e3-f5a4ff64c105