Fix Quick Start section in readme.md

Signed-off-by: Carl X. Su <bcbcarl@gmail.com>
Merge pull request #380 from bcbcarl/fix-quickstart-readme

Fix Quick Start section in readme.md
fixes #378: update golang.org/x/crypto/blowfish dependency

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>
add cpuset option to cli