Removes identity concealment from a few space helmets

![ss 2014-10-31 at 01 19 37](https://cloud.githubusercontent.com/assets/7247232/4868193/61813464-613d-11e4-8fdd-e4b97a62a9a3.png)
This helmet does not conceal your identity

I also added a transparency effect to the helmets so you can make out the mob underneath.
![ss 2014-10-31 at 01 23 02](https://cloud.githubusercontent.com/assets/7247232/4868195/68da298c-613d-11e4-8c8e-d100b6d56ed3.png)
![ss 2014-10-31 at 01 38 55](https://cloud.githubusercontent.com/assets/7247232/4868229/e6bf7096-613d-11e4-8bf9-bd2b658cca3e.png)