A nicer dropdown menu for iPhone

## Before:

![beofre](https://f.cloud.github.com/assets/814637/295609/6c551638-949f-11e2-892f-37d344d10dce.png)

## After:

![after](https://f.cloud.github.com/assets/814637/295610/6f565f86-949f-11e2-9d07-c969df635de4.png)

Signed-off-by: Pooria Azimi <pooriaazimi@me.com>