domain verification updates
- added verifyDomainDKIM endpoint
- added verifyDomainReturnPath endpoint
template feature updates
- added support for managing templates by Alias
- added support for batch sending templates
other updates related to webhooks
- model for bounces, opens, clicks, delivery updated with "RecordType" support
- inbound webhooks have "rawEmail" support now
fixes
- updated Jackson (JSON object handler) to latest stable version (2.9.5) - this should resolve parsing issues with "fractional" timezones
- object model changed to use interfaces instead of implementations for lists and maps
- deprecated "deliverMessage" API client call for templates, use "deliverMessageWithTemplate" instead
- added new integration tests