Fix specs

PT story: inconsistent tests

Fixed: 
visitors/index spec
tabs.feature

silenced output from authentication request spec and omniauth feature when omniauth is authenticating
silenced output from profile_privacy when non-existing page is requested
silenced console mailer
you are seeing it wrong.  the loop is running until the tab appears, if the loop does not finish within 3 seconds, the execution will continue to the assertion