Add scanner sprites

Added sprites for antibody scanner and Aiden-Saraspova anomaly scanner

Anomaly scanner:
![anoscanner](https://f.cloud.github.com/assets/6355724/2177003/d45cda3a-95ee-11e3-8ccc-e18c3171ca77.gif)

Antibody scanner:
![antibody_scanner](https://f.cloud.github.com/assets/6355724/2177016/5825c296-95ef-11e3-8465-9d55e05829e6.gif)