add in bango developer terms (bug 922870)

![screenshot 2013-11-26 14 21 44](https://f.cloud.github.com/assets/74699/1626989/11fc1836-56ea-11e3-8af6-4f773e99312d.png)
![screenshot 2013-11-26 14 21 53](https://f.cloud.github.com/assets/74699/1626988/11df43c8-56ea-11e3-8d37-533d5a6dc7c2.png)