Remove dependency on vert in tests.
Incorporates gradle spawn plugin 0.5.2.
Updates git ignore descriptor.
Incorporates gradle mongo plugin 0.1.0
Removes vertx compile dependencies.
Moves vertx server script out of groovy source path.
Introduce embedded mongo with full fixture.
Clean up dependencies.
Upgrade to embedded mongo gradle plugin 0.4.
Adds wiremock dependency.
Introduces stubs to replace vertx and mongo. To be supplemented with integration tests.