Make prefab for player and enemy
Make trail texture match with the moto's
Dumb IA for enemy (forward)
Edit scene
Give IAControl a gameObject
Make IAControl instructions private attributes
Update default implemented functions
Implement functions into controllers
Change Moment classes
Prepare IA handling
Add basic IA, if wall if in face of enemy, : turn
Merge branch 'master' into bastien_add_enemy

Conflicts:
	Assets/Scenes/main_scene.unity
	Assets/Scripts/Moto/Movement.cs
	Assets/Scripts/Moto/TrailRendererCollider.cs