FIX: Remove populate command from Dockerfile
FIX: Remove populate command from Dockerfile

During build there is no access to the doubtfire-db. We will need
to execute this once the image is built.

See http://stackoverflow.com/a/31542717/519967

doubtfire-lms/doubtfire-api,jakerenzella/doubtfire-api,alexcu/doubtfire-api,jakerenzella/doubtfire-api,alexcu/doubtfire-api,doubtfire-lms/doubtfire-api,final-year-project/doubtfire-api,final-year-project/doubtfire-api,final-year-project/doubtfire-api,jakerenzella/doubtfire-api,alexcu/doubtfire-api,alexcu/doubtfire-api,doubtfire-lms/doubtfire-api,alexcu/doubtfire-api,jakerenzella/doubtfire-api,doubtfire-lms/doubtfire-api,jakerenzella/doubtfire-api,doubtfire-lms/doubtfire-api,doubtfire-lms/doubtfire-api,doubtfire-lms/doubtfire-api,final-year-project/doubtfire-api,alexcu/doubtfire-api,jakerenzella/doubtfire-api,final-year-project/doubtfire-api,jakerenzella/doubtfire-api