Fixed pebbles and pacman turnspeed

Pebbles to be picked up now have one spot light each on them, which gets
destroyed with the pebble when pacman eats them. Pacman's turnspeed is
no longer stupidly fast
Merge branch 'master' of https://github.com/NareshRam/PacmanExtreme

Conflicts:
	Assets/Map.unity
	Assets/small_pebble.prefab