Status codes caused different log levels

Different status codes caused log messages to be logged at different levels
Add Quentin Rossetti
Use local binary for vows

http://www.devthought.com/2012/02/17/npm-tricks/
Manage info level
Manage info level
Add statusLevels option
Test for `info` log level
Merge pull request #22 from quentinrossetti/feature/http-code-level

Status codes caused different log levels