Show pet in profile page

This pull request shows the user's pet in the profile page if the user has one.

![schermata del 2013-08-31 12 21 17](https://f.cloud.github.com/assets/589911/1062114/6adbca30-1227-11e3-9eed-92c1158422ba.png)

The only problem is when the resolution with is less then 320, here is how it appears on a 240x320:

![schermata del 2013-08-31 12 22 11](https://f.cloud.github.com/assets/589911/1062116/877da776-1227-11e3-8c2f-6c7e319565c8.png)

But also the avatar is not shown correctly:

![schermata del 2013-08-31 12 22 22](https://f.cloud.github.com/assets/589911/1062117/9a5a1b18-1227-11e3-856e-396173d5cc60.png)

And I don't think anyone is using a 240x320 resolutions and in any case it's not preventing any functionality.

I tried to set the pet position as on the website as much as possible.