Review settings page 

Fixed the dimension of the input field sand the font size.
Changed position of save button.

![2014-07-21 10 37 38](https://cloud.githubusercontent.com/assets/5940895/3641436/c2e43db2-10b3-11e4-9e72-70239ee8b7a2.png)


I suggest, for the next version of this application, to put the save button in the header in order to have more visibility and improve the usability.