"boot2docker up" should init VM if it doesn't exist

[bfirsh]

It would be nice if getting started were just one command.

[SvenDowideit]

I am not 100% sure if we really want boot2docker up to download, init, start - without confirmation - tho personally I like it too

[bfirsh]

What are the arguments against?

[tianon]

Sorry, this repository is long-since deprecated in favor of Docker Toolbox (whose usage is now also discouraged in favor of Docker for Windows and Docker for Mac).