(refactor) Change layout styling (blue/green color scheme)

Another update, got rid of the red.

# Splash
![screen shot 2014-09-06 at 4 10 39 pm](https://cloud.githubusercontent.com/assets/6935952/4176904/513a8d78-361b-11e4-96c9-33150efc208c.png)

# Customer
![screen shot 2014-09-06 at 4 05 04 pm](https://cloud.githubusercontent.com/assets/6935952/4176878/4f37c140-361a-11e4-8c27-803219ee558a.png)

# Restaurant
![screen shot 2014-09-06 at 4 05 21 pm](https://cloud.githubusercontent.com/assets/6935952/4176880/52a97a1c-361a-11e4-8fe5-d780c523f736.png)