add generic rspec testing and rake task functionality

Hey Carlos, 
Added the rake tasks folder and rspec functionality as we talked about.

Hope la casa isn't too lonely :(

![samuel-l-jackson-nick-fury](https://f.cloud.github.com/assets/3391824/1223278/df7d426c-2715-11e3-865b-84bfb8979595.jpg)

-Thomas