Corrects a issue where the Login is lost on Zend-Server 6.3 and PHP 5.5 and PIWIK returing to Login-Screen without message after successful login.
Does regenerate the Session-ID as originally intended, however keeps the
session with the browsers resulting in a stable login on the above PHP
During installation on openSUSE 13.1 with PHP 5.5.10 & nginx/1.4.7 I'm getting:
Error: it seems you tried to skip a step of the Installation process, or your cookies are disabled, or the Piwik configuration file was already created. Make sure your cookies are enabled and go back to the first page of the installation .
Other PHP projects have had same issue eg. https://github.com/symfony/symfony/issues/6417
Closing this PR now, please comment in http://dev.piwik.org/trac/ticket/4806#comment:12