The option menu looks funny if you are in a small window. This change dr...

...aws the drop down anchored to the right instead of the left.

### Before:
![image](https://f.cloud.github.com/assets/3534544/2414057/b3c67dc4-aae5-11e3-8470-fce48740726e.png)

![image](https://f.cloud.github.com/assets/3534544/2414067/ca0bf5dc-aae5-11e3-9c4a-eb430b480980.png)


### After:
![image](https://f.cloud.github.com/assets/3534544/2414027/31cce952-aae5-11e3-8b03-c84c04ac0ad0.png)

![image](https://f.cloud.github.com/assets/3534544/2414072/d678d736-aae5-11e3-83a2-9eccf9dc20cc.png)