version 0.4

v0.3 bugfixes:

 - marm_piwik::getPiwikUrl() then returning short url, remove piwik.php also, leave / at the end
 - marm_piwik::addPushParams now accepts raw format to input. example: $this->addPushParams('setTrackerUrl', array('type'=>'raw', 'value' => "u+'piwik.php'"));
 - setSiteId must be integer
 - fixed handling no search results
 - added version showing in admin config tab