Bug Fix

Fixed ray-casting point based on container - (@pchen66 beb6aa5) Fixed datauri svg+xml type not rendered correctly in safari - (@pchen66 f4a5494) Fixed IE11 XMLHttpRequest responseType issue - (@andymcpherson @pchen66 f9ee1fc)

Feature Changed

Add image little planet class and shader (Stereographic projection) - (@pchen66 d7c55e8 and dfb84c3) Add stereo effect - (@pchen66 4c78e44) Aggregate user input and VR modes into setting widget - (@pchen66 4c903a6) Autoplay option in PANOLENS.VideoPanorama - (@baseline-s @pchen66 f285e77)