Sensor for Applied Energistics

Sensor card to pull data from Wireless Access Terminals.

Applied Energistics:
http://www.minecraftforum.net/topic/1625015-147-applied-energistics-rv-9-f/

Sensor details:
 * Stored items & count
 * Grid index
 * Used/Free Item types
 * Used/Free Item counts
 * Used/Free Bytes

Missing:
 * Sensor registration
 * Textures 
 * Applied Energistics API for compilation