* Make sure a Port change results in warning message
 * Disabling trusted host chek should disable the Nonce check (otherwise login will still fail)
 * Displayed message in header.tpl rather than index,tpl since other "top menus" don't display 'index.tpl'
 * Login will never work when trusted host warning is displayed (because of Nonce check) so let's be clear and suggest a clear fix for this issue

git-svn-id: http://dev.piwik.org/svn/trunk@7301 59fd770c-687e-43c8-a1e3-f5a4ff64c105