better caching for raw & thumbnail requests; accurate success param in upload response; support for more semantic URLs
better caching for raw & thumbnail requests; accurate success param in upload response; support for more semantic URLs

JarvusInnovations/Emergence-Skeleton,nbey/Emergence-Skeleton,nbey/Emergence-Skeleton,JarvusInnovations/Emergence-Skeleton,nbey/Emergence-Skeleton,nbey/Emergence-Skeleton,JarvusInnovations/Emergence-Skeleton,JarvusInnovations/Emergence-Skeleton