Clean up user page.

#1517 

User page cleanup.  

 * First/last name labels removed.  
 * First/last name moved to page title, replaces username if full name is entered.
 * Link to add full name is added if no full name is entered.
 * "Website Membership Summary:" text removed.
 * CSS classes added to allow this to be styled better.  

Full name entered preview (assumed css changes):
![image](https://f.cloud.github.com/assets/2066554/426665/f40eea34-adce-11e2-9947-5ce644d307be.png)

No full name entered preview (assumed css changes):
![image](https://f.cloud.github.com/assets/2066554/426670/0c2d1618-adcf-11e2-9944-733be5c08bad.png)