Fix slide from being stuck when moving down/up during swipe
Fix slide from being stuck when moving down/up during swipe

#174 On mobile you can swipe left or right and move your finger downwards, once you leave the container the slider stops with the image stuck half way.
xiaolin/react-image-gallery,linxtion/react-image-gallery,linxtion/react-image-gallery,xiaolin/react-image-gallery