Cowtrip v2

HI, this is a brief sample of some of the APIs that developed.  The rest of the APIs and examples are posted here: 

http://cowtrip.com/trips/apis

![icon](https://f.cloud.github.com/assets/729566/342345/b70872e4-9d9e-11e2-8c8e-725e0098bcb6.png)