Allow supporting files to be stored with the json and sql.

[EHLOVader]

I think that there are a few times where I would like to also distribute supporting files and want them to survive a cleanup.

Is it possible to add a list of files in the vvv.json which are also saved in the same way the vvv.json and sql are by prepending a # to them prior to the cleanup process?

For some background I would like to have a flightplan js file in the root of each project to handle the deployment of the project to the remote server.

[lkwdwrd]

This is similar to #6. I'd like to see the cleanup routine switched to a system that purposefully removes files, rather than globbing them with something like find. We've had some discussion off-line about how this could work, but never got around to an implementation.