Add Beta to header and button styles

Beta added to MyUW title:
![image](https://cloud.githubusercontent.com/assets/1919535/4445216/9f04bf2c-47f7-11e4-91b9-1f35263a5134.png)
Categories now with no background color, action buttons with background color:
![image](https://cloud.githubusercontent.com/assets/1919535/4445223/ac73fd30-47f7-11e4-9f67-3c5edfcc3a7a.png)
Added font-awesome check mark:
![image](https://cloud.githubusercontent.com/assets/1919535/4445234/b6340c8e-47f7-11e4-86e9-91afb20924da.png)