Integrated development environment with Koding

I think it would be cool to quickly get from GitLab to a IDE, the basic plan after a conversation:

1. In the file viewer next to 'Edit' that says 'Develop' that takes you to an IDE
2. In an issue on the right side above participants have a section environments that lists the IDE's booted up
3. Every repository should have a stack.yml file that lists how to boot the VM's needed for this
4. The IDE should allow you to use your local editor, the browser will still show the terminal
5. We should ship with this on both CE/EE and .com, it should be MIT licensed
6. It should work with PostgreSQL
7. When you're done you should shut down or pause the IDE and be taken to a commit view (or if you committed already a merge request view)

This will be great, for example in our company we can use it to get contributors set up with the GDK and to have non-engineers employees run Jekyll/Middleman.

@JobV @dzaporozhets what do you think?

Cross-link to CodeEnvy's work on the topic.