--Shoot Update--

*Remove the "Bullet" prefab and addition of "Glove" prefab.
*Glove prefab added as a child of the Player.
*Update of PlayerShoot : the player now throws a glove to the left or to
the right (thanks to X and B), for the moment. The Glove has a trigger
to detect collision with the other players.
*Player now has the tag "Player"
*Better detection of right stick in the Input Manager.
Merge remote-tracking branch 'origin/master'

Conflicts:
	Assets/Scenes/Prototype.unity