First release! (v0.1.0)

This is the initial release of Stubmarine. It provides basic SendGrid v3 API support and named inboxes.

stubmarine-0.1.0.jar
MD5: 73b5ddede48de8bdc5941044869404d3
SHA1: a6b4e99fbb3ec69713d92bfddc42bb440bfa103e