tornevalls-resurs-bank-payment-gateway-for-woocommerce

RWC-364
Close #90.

* Update: rbenabled is included in "ignore on reload".
* Update: e.preventDefault() on clickables prevents checkboxes to be changed.
* Add: Set state on payment method live (rbwcMethodState). Requires admin. Enable/disable payment methods in realtime.
* Update: src/Gateway/ResursDefault.php is_available now includes payment method settings "enabled".
* Add: isPaymentMethodEnabled
* Add: getPaymentMethodNameSpace (which sets one configuration space per payment method on environment_user level). Free to add new settings on the fly.
* Add: getPaymentMethodSettings -- returning all settings stored in one "namespace".
* Add: setPaymentMethodSetting.
* Add getPaymentMethodSetting (the magic resolver for payment method settings).
* Update: checked tag is now included in allowed html.
* Add: Mock for namespace-fetcher to see if we really can handle errors.
* Add: setMethodState plugin action.
* Add: getCredentialString so that we can make a difference between env_username_<string>.
* Update: templates/adminpage_paymentmethods.phtml now handles realtime changing enabled/disabled method.