AGS Random Spawning Cavalry

As Adrian Wilkinson I want there to be several cavalry enemies around the forts so that there is a variety of enemies.
Estimated Time = 2 Hrs
Acceptance Criteria 1 : enemies are initially present around the fort
Acceptance Criteria 2 : if there are less than 8 then spawn 1 cavalry when the infantry spawn
Acceptance Criteria 3 : Cavalry has one of the 3 behaviors
Status = Completed - Andrew