(base_enemy_prefab)-holds default enemy components
(enemy_prefabs)-always in aggressive for demo
<PB_Linear>Gave lifetime to bullets
<MetricManager> - MetricManager.getShotsFired gets player shots, MetricManager.getEnemiesKilled gets enemies killed
<Killable> tracks enemiesKilled
<CanSpawn> spawns enemies super slow
Merge remote-tracking branch 'origin/master'