There were couple issues in the previous version of this Dockerfile
1. [MongoDB manual](https://docs.mongodb.com/manual/tutorial/install-mongodb-on-ubuntu/) uses 3.2 repo version as of July'16.
2. Command `# lsb_release -sc` doesn't work out of box, because of `bash: lsb_release: command not found`.
Signed-off-by: Maxim Fedchyshyn <sevmax@gmail.com>
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Tweaking for Hugo
Updating the Dockerfile with new sed; fix broken link on Kitematic
Fixing image pull for Dockerfile
Removing docs targets
Signed-off-by: Mary Anthony <mary@docker.com>