Bulk Operation

BD-2045 Allow Clowder to pick up settings from Environment Vars

BD-2045 use default RABBITMQ_URL from py2 base image in extractors-template Dockerfile

BD-2045 use docker-compose version 3 for bd-base develop branch

BD-2045 add default rabbitm hostname in pyclowder entrypoint.sh

BD-2045 add wait for mongo ready in Clowder's docker entrypoint.sh

BD-2045 use CLOWDER_PORT_9000_TCP_ADDR in bd-base develop branch docker-compose file

BD-2045 update polyglot mongo.properties in assembly conf

BD-2045 check rabbitmq, mongo and clowder are ready in mongo-init.

BD-2045 use browndog/create-useraccount:develop to create default user account on clowder/clowder:develop

BD-2045 update bd-base to use master branch docker images.

BD-2045 refactoring docker-compose file to version 2.