Fix slider format for non-UTC clients xibosignage/xibo#1200
Fix slider format for non-UTC clients
xibosignage/xibo#1200

xibosignage/xibo-cms,dasgarner/xibo-cms,xibosignage/xibo-cms,xibosignage/xibo-cms,xibosignage/xibo-cms,dasgarner/xibo-cms,guruevi/xibo-cms,alexharrington/xibo-cms,PeterMis/xibo-cms,dasgarner/xibo-cms,PeterMis/xibo-cms,guruevi/xibo-cms,PeterMis/xibo-cms,xibosignage/xibo-cms,alexharrington/xibo-cms,PeterMis/xibo-cms,xibosignage/xibo-cms,dasgarner/xibo-cms,guruevi/xibo-cms,dasgarner/xibo-cms,alexharrington/xibo-cms,PeterMis/xibo-cms,alexharrington/xibo-cms,alexharrington/xibo-cms,dasgarner/xibo-cms