Sanitize font family that is written to fonts.css xibosignage/xibo#682
Sanitize font family that is written to fonts.css
xibosignage/xibo#682

dasgarner/xibo-cms,dasgarner/xibo-cms,PeterMis/xibo-cms,guruevi/xibo-cms,alexhuang888/xibo-cms,PeterMis/xibo-cms,alexharrington/xibo-cms,alexharrington/xibo-cms,xibosignage/xibo-cms,ajiwo/xibo-cms,xibosignage/xibo-cms,xibosignage/xibo-cms,yashodhank/xibo-cms,ajiwo/xibo-cms,dasgarner/xibo-cms,xibosignage/xibo-cms,yashodhank/xibo-cms,alexharrington/xibo-cms,PeterMis/xibo-cms,alexharrington/xibo-cms,guruevi/xibo-cms,alexhuang888/xibo-cms,xibosignage/xibo-cms,ajiwo/xibo-cms,alexharrington/xibo-cms,alexhuang888/xibo-cms,PeterMis/xibo-cms,dasgarner/xibo-cms,dasgarner/xibo-cms,dasgarner/xibo-cms,xibosignage/xibo-cms,PeterMis/xibo-cms,yashodhank/xibo-cms,guruevi/xibo-cms