improve(profile): reposition the "unlock set" button to the "2 gem/locked" string

Here's the current layout:
![3](https://cloud.githubusercontent.com/assets/113721/2567153/9ed40efa-b8d1-11e3-9eb8-ea3a5a6e9dd9.png)

This pull request changes it to the following:
![1](https://cloud.githubusercontent.com/assets/113721/2567154/aafee40c-b8d1-11e3-9115-afdd302f00c8.png)

There is an option of keeping the button blue, but the intensity of the colour seems too much in the new position:
![2](https://cloud.githubusercontent.com/assets/113721/2567158/bde41a38-b8d1-11e3-931f-618bf08f5698.png)