Fixed bug#8380: Middle name not displayed in AdminCustomerUser.

commit a0107a61ecb72baa70076615006a76ceb4a323c5
Author: Marc Bonsels <marc.bonsels@otrs.com>
Date:   Mon Jul 8 13:52:19 2013 +0200

    Fixed bug#8380: Middle name not displayed in AdminCustomerUser.

Conflicts:
	CHANGES.md