Configure Travis to do everything in a Docker container
Configure Travis to do everything in a Docker container

popcodeorg/popcode,popcodeorg/popcode,jwang1919/popcode,popcodeorg/popcode,popcodeorg/popcode,jwang1919/popcode,jwang1919/popcode,outoftime/learnpad,jwang1919/popcode,outoftime/learnpad