Biothings Studio 0.1b

Docker image available at: http://biothings-containers.s3-website-us-west-2.amazonaws.com/biothings_studio/biothings_studio_0.1b.docker

• use websocket
• use reloader to reload dumpers/uploaders when a source file changes
• fix requirements installation while booting the studio
• add SSH server running in docker image to connect using "biothings" user, in case tmux can't be accessed through "docker exec" due to terminal misconfiguration, which depends on docker host (workaround)
• add utf8 encoding to prevent ascii decoding error