Fixed folder sync issue, dependencies
Fixed folder sync issue, dependencies

Replaced previous VM image "debian/jessie64" with "hashicorp/precise64" -- it plays better with Vagrant. Updated provision script to apt-get build-essential (required for Make), and curl. Manually tested and verified the build process.
rachlmac/sos-kernel,hawkw/sos-kernel,hawkw/sos-kernel,hawkw/sos-kernel,rachlmac/sos-kernel,rachlmac/sos-kernel