updates bowman and earset sprite

Updated bowman
![ow](https://cloud.githubusercontent.com/assets/7247232/5500051/1b85c6b2-86f1-11e4-93bf-d8420591be2f.png)

Updated 'earset'
![headshets](https://cloud.githubusercontent.com/assets/7247232/5500052/1b87359c-86f1-11e4-83e0-8c6f877460ba.png)

The earset sprite is unused but I thought i would make it look a bit better if we decide to use it in the future

I made the bowman tacticool headset cover less of your face so you don't look augmented when wearing it