Added first version of Decay System.

Fix NanoBot Build & Repair System to respect PVE Zone.

Improve save system to had asteroid database in separated files to avoid to write a big file every save cycle.

Fix safezone to let ship grinders to work in owned blocks.
Added Decay System basic configuration.

Added "definitions weapons" admin command.

Added cleansafezones admin command.
Added a concurrency check in tradestations refuel system.

Added deletenpcfactions and cleanmetada admin command.
Added a better performance to starsystem complete admin command.

Rebalance economy values.
Added getalleconomyvalues admin command.
Added Acquisition Contracts to starsystem stations.

Added new admin commands "starsystem recreateasteroids" and "starsystem reseteasteroids".
Added to starsystem asteroids the system to detect if are no player around and despawn the asteroid if it is not modified.

Balance enconomy value of each resource.