Removed all Ogone classes.
Merge branch 'develop' of github.com:pronamic/wp-pronamic-ideal into develop

Conflicts:
	.settings/org.eclipse.php.core.prefs
	classes/Pronamic/Pay/Gateways/Ogone/DirectLink/Gateway.php
	classes/Pronamic/Pay/Gateways/Ogone/OrderStandard/Client.php
	classes/Pronamic/Pay/Gateways/Ogone/OrderStandard/Gateway.php
	classes/Pronamic/WP/Pay/Plugin.php