Added clause supporting multipart/alternative formats
Merge support for adding multi-part/alternative formats [Blitzoo]
Add support for local bind address
Added timeout settings with defaults
Add support for multipart & add smtp options
Merge with prior commits
vertx.io doesn't match dependencies
Add DKIM Support
ContentType now belongs in message JSON, not config
Add DKIM Test
removed reverseLoadOrder
merged https://github.com/vert-x/mod-mailer/pull/7
added CONTRIBUTING.md
create artifact with mod classifier
inced version