wms slots update

We have updated WMS game iframe sources as some of them were reported not functional.
We have also added 7 new WMS games.

Navigate to the VegasHero / Import by Provider admin page and click the import games button for WMS.

1 Volts And Bolts
2 Hula Nights
3 Kronos Unleashed
4 Reel Riches Fortune Age
5 Knights Keep
6 Omg Puppies
7 Forbidden Dragons