[Upload] jatlas.util Package

The Combination class was moved to the new package.
[Update] AEntity - Empty Line Added

Accidental line added. Can't be bothered to go back into eclipse to fix
it.
[Upload] Cross-Class Event Managing Interfaces

Classes that receive data implement IReceiver
Class that send data implement ITrigger
[Upload] ATriggerEntity

Branch off of AEntity which implements ITrigger