refactor Enemy movement to Movement script in anticipation of having
multiple types of enemies with similar Controllers but different
Movement.  Have not tested or integrated with BlueFish Prefab and
Unity Editor.
Move RandomMovement function to Movement script and take care of
simple syntax error
add the Movement script to the blue-fish prefab
Set blue-fish movement speed to 1.5
Merge branch 'master' into refactor-enemy-movement

Conflicts:
	Assets/Scenes/Level01.unity