Upgrade wp-piwik to 0.9.9.9

wp-content/plugins/wp-piwik/css/index.php

wp-content/plugins/wp-piwik/css/wp-piwik-spark.css

wp-content/plugins/wp-piwik/css/wp-piwik.css

wp-content/plugins/wp-piwik/dashboard/browserdetails.php

wp-content/plugins/wp-piwik/dashboard/browsers.php

wp-content/plugins/wp-piwik/dashboard/keywords.php

wp-content/plugins/wp-piwik/dashboard/noresult.php

wp-content/plugins/wp-piwik/dashboard/overview.php

wp-content/plugins/wp-piwik/dashboard/pages.php

wp-content/plugins/wp-piwik/dashboard/plugins.php

wp-content/plugins/wp-piwik/dashboard/screens.php

wp-content/plugins/wp-piwik/dashboard/search.php

wp-content/plugins/wp-piwik/dashboard/seo.php

wp-content/plugins/wp-piwik/dashboard/systems.php

wp-content/plugins/wp-piwik/dashboard/visitors.php

wp-content/plugins/wp-piwik/dashboard/websites.php

wp-content/plugins/wp-piwik/debug/.htaccess

wp-content/plugins/wp-piwik/debug/testscript.php

wp-content/plugins/wp-piwik/debug/testscript_standalone.php

wp-content/plugins/wp-piwik/index.php