Fixed a bug with the Membership plugin

When setting the Membership's iDEAL configuration, the iDEAL gateway
wouldn't be activated.
Added extra time periods to the s2Member extension
Updated changelog.
Fixed the pronamic_login_form redirect_to notice

https://github.com/pronamic/wp-pronamic-framework/issues/5
Enabled the Ogone 3-D Secure enable field.
Added some debugging stuff, should be removed later.
Adjusted credit card number.
WordPress Coding Standards added missing ,.
WordPress Coding Standards fixed indent.
Removed all ‚name’ and ‚id’ values from the config fields array.
Disable the 3-D Secure field, won’t make in the next release.
Cleaning up test credit card number.
Removed some test echo’s.
Requires at least: 3.6
Tested up to: 3.8
WordPress Coding Standards optimizations.
Fix - Strict Standards: call_user_func_array() expects parameter 1 to be a valid callback, non-static method Pronamic_WooCommerce_IDeal_AddOn::payment_gateways() should not be called statically.
Fix Fatal error: Class 'Pronamic_WordPress_IDeal_ConfigurationsRepository' not found in C:\xampp\htdocs\classipress.pronamic.nl\wp-content\plugins\pronamic-ideal\classes\Pronamic\AppThemes\IDeal\IDealGateway.php on line 54
Fixed notice of $config var usage, should be $config_id.
Fix - Strict Standards: Declaration of Pronamic_Gateways_IDealAdvanced_XML_ErrorResponseMessage::parse() should be compatible with Pronamic_Gateways_IDealAdvanced_XML_ResponseMessage::parse(SimpleXMLElement $xml, Pronamic_Gateways_IDealAdvanced_XML_ResponseMessage $message).