bump to 1.2.0
Fix script on Windows
Need to allow the pflags and config to set both VBM and Verbose - this is the minimal change to make windows work
Extract VirtualBox specific cfg parameters to the driver
yeah, don't need that line
address gmlewis's comments
Merge pull request #222 from SvenDowideit/fix-windows-vbox-path

Fix windows vbox path, and dockerport forward off by default.
Merge pull request #223 from SvenDowideit/bump-1.2.0

bump to 1.2.0
Merge pull request #224 from SvenDowideit/make-cert-copying-and-setting-optional

Don't error when failing to get certificates that may not be there
Merge pull request #225 from SvenDowideit/windows-fix-for-download-script

Fix script on Windows
make setting up the DOCKER_HOST, and optionally DOCKER_CERT_PATH as easy as ''