Added some items to About page

This commit adds a git sha to the version in the about page. Should assist with debugging code being run from MASTER. 

![Screenshot_2_23_13_8_15_AM](https://f.cloud.github.com/assets/51660/188229/55d206dc-7dd4-11e2-8b0a-d1966a149609.png)

Fixes #110