Improve UX of /entries and /users/:id

@billiedemott Here are screenshots of the new UI for /entries and /users/:id. Please review the design and the code and comment that everything looks good. You can see the changes live on the production site.

### /entries
![screen shot 2013-08-02 at 7 16 03 pm](https://f.cloud.github.com/assets/331004/904544/a4cb174c-fbc9-11e2-8474-9ea8b555760e.png)





### /users/:id
![screen shot 2013-08-02 at 7 16 31 pm](https://f.cloud.github.com/assets/331004/904545/ae04603e-fbc9-11e2-9d44-a0640de7a612.png)



PS. We're following this process according to our application management policy https://github.com/akshatpradhan/information-security-policy#application-management-policy