Renamed internal references to match github's convention
Set cookie via Symfony2 response object
Added renewCookieAction, to update the ep session cookie via ajax call. JS tries to update cookie, when the first session expires.
Modified the updateCookie function, so that it returns the value, when the first session expires
Updated parameters.yml and README accordingly
fix indentation and whitespace
updated composer
updated dependencies
Merge branch 'dev_renewCookie'