+ Added colliders to enemy ships. Switched their explosion prefab to the correct one. (enemy ships can now be destroyed!)
+ Copied explosion logic to the boss objects' health controllers. (now the boss has explosions too!)
+ Added some enemies to level 6
= Fixed flatbeds in level 4 (now they shoot at you!)
= Modified Event_Ship_Spawner script so that you can set how randomized the spawning locations are.
= Organized the enemy ship prefab folder