oik-nivo-slider fixes the “Unable to locate routine to expand shortcode” message, that appeared in some versions of v1.15.0.
In v1.15.0 the nivo.inc file was renamed to nivo.php, but the code to load the file to expand the shortcode was not changed.
This fix is only necessary for installations where v1.15.0 was downloaded from oik-plugins or installed directly from GitHub.
