added support for autoloading ZF2 files in Zend Server 6.1 (path has
been chnaged because of library feature)

Change-Id: Ife3725763aba31dfa916aba4c8c9ca2ed6931b4d
added support for custom port definition for debugging

Change-Id: Id82f0061cc7bef8a8a233cd5a5bda39cc2a1f3ac
changed custom log file extension from 'php' to 'log'

Change-Id: Ia9fa43b1e9ba9923b80525e501e8ca75771fd788
check whether addGuiOutput has already been enabled, if so no further
action when called again

Change-Id: Id6f67ef5fe7515d6bd31409f969bce453ed7782d
exlude Zend_Framework_2 folder (new name for Zend Server 6.1) from
displayed list of fullVerboseLog

Change-Id: Iaa4798ade0f996b172aa7fbb804b74cef152b7b0