Composer packaging to make us available as a library

Change-Id: I60fd5b58db20e43df341f065dc25e4cefe843b77
fixups for unfork

Change-Id: Ibd8bb393eed1f90c88c271359c28fed947fa845b
Worldpay cleanup: Antifraud filters firing too much

Nutshell: The antifraud filters were firing on transactions
that were refused at the gateway. This was wasting bandwidth
and minfraud queries, and causing false positives in the ip
velocity filter.

Conflicts:
	tests/Adapter/WorldPay/WorldPayTestCase.php

Change-Id: Ib20694516851a8cebc23a29887d32839a46ed430