Added some meat to stub driver and made it a first class object that can be used in a rails development environment. Also added some testing and coverage tools (simplecov, mocha)
Added Platform Driver to Spi

Added needed spi functions to stub driver

Added .travis.yml
merge in spi spec additions
Merge pull request #15 from bguest/stub-driver

Added some meat to stub driver and made it a first class object that can...