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Changes between Initial Version and Version 1 of Ticket #406

initial	v1
7	7
8	8	* Create a new class that can be placed in a level (via XMLport), that spawns a pre defined number of player that follow the current player.
9		If the player's spaceship is destroyed, he automatically takes control over another spaceship of his crew.
10		If all spaceships are destroyed, let the mission be failed. (Such a callback function has been implemented in the Transporter.)
	9	* If the player's spaceship is destroyed, he automatically takes control over another spaceship of his crew.
	10	* If all spaceships are destroyed, let the mission be failed. (Such a callback function has been implemented in the Transporter.)