Reduce pants.ini overrides to avoid weird problems

Change-Id: I277d393e6b71f464acfa59b47c7fc6625a376acd
Start a Vagrantfile

Change-Id: I83b1f2d84941c5808274a6ff4f8c7986d381c52c
Expanded vagrantfile, now with provisioning.

Change-Id: I647e19e44d46f3e6bf9ab8125c0bf0fce49ae179