boot2docker (and vbox) don't like it when you move dirs

[SvenDowideit]

I renamed the .boot2docker dir, so it thinks the vm is both there, and not, and complains horribly.

I'm not sure what we can or should do about corner cases like this, but its worth thinking about

[SvenDowideit]

its better now, because the vm files are not in the dir, but the iso still is - so b2d-cli starts the vm which then fails to do anything useful (and there's no feedback about what died to the user

[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).