Initial commit of webhook calling.
Adding new environment variable to README
Better environment variable defaults.
Even better defaults.
Changing OPENBADGER_NOTIFICATION_WEBHOOK to fully specify the target URL.
Adding mock webook response when running in test mode.
Using fake webhook when in development mode with unset OPENBADGER_NOTIFCATION_WEBHOOK.
webhooks.notifyOfReservedClaim() now handles errors internally when not provided a callback.
Do not log fake webhook calls when testing.
Merge pull request #195 from christensenep/190-reserved-claim-notification

Notify CSOL-site when a badge claim is issued, to allow emailing