Change logo padding

:heart: 

After:
![2013-07-30 13 01 02](https://f.cloud.github.com/assets/1201569/877578/99254b2c-f8f6-11e2-8a69-844fe8bfc86b.png)

Before:
![2013-07-30 12 45 24](https://f.cloud.github.com/assets/1201569/877491/69864a1c-f8f4-11e2-9cbb-b022d7190315.png)