Add forum link in upgrade page. Install and upgrade try to configure PHP5. git-svn-id: http://piwigo.org/svn/trunk@3203 68402e56-0260-453c-a942-63ccdbb3a9ee
git-svn-id: http://piwigo.org/svn/trunk@3185 68402e56-0260-453c-a942-63ccdbb3a9ee
git-svn-id: http://piwigo.org/svn/trunk@3084 68402e56-0260-453c-a942-63ccdbb3a9ee