new user welcome page

before:
![screen shot 2014-03-19 at 12 56 21 pm](https://f.cloud.github.com/assets/1130890/2455381/b94550ec-aefd-11e3-896d-60a170ae78e0.png)

after:
![screen shot 2014-03-19 at 1 30 54 pm](https://f.cloud.github.com/assets/1130890/2455385/db05bab4-aefd-11e3-802d-1872b6104099.png)