Don't add media shadow on svg images closes #220
Don't add media shadow on svg images closes #220

LauraHilliger/TimelineJS,NUKnightLab/TimelineJS3,tkandala/TimelineJS3,NUKnightLab/TimelineJS3,wangjun/TimelineJS3,LauraHilliger/TimelineJS,tkandala/TimelineJS3,LauraHilliger/TimelineJS,NUKnightLab/TimelineJS3,tkandala/TimelineJS3,wangjun/TimelineJS3,wangjun/TimelineJS3