Fix drawer height

If the drawer's height is larger than devices's height the user won't see last item.

![bug-drawer](https://cloud.githubusercontent.com/assets/1506457/3318728/9ec2f3aa-f719-11e3-9d0f-e23ed4fc7656.png)

This applies the same solution of the main "view".

![fix-drawer](https://cloud.githubusercontent.com/assets/1506457/3318675/32a93e18-f719-11e3-99a8-c4b565c312d4.png)