Bootstrap project through PiCli

[ragingpastry]

It would be interesting to allow PiCli to bootstrap a project with piedpiper.

I'm thinking it could go something like this:

picli bootstrap --project-name my-new-project --language python
PiCli would then lay down the piedpiper.d/ directory with some sensible defaults for python. The versions would be pegged with whatever PiCli is versioned to.