modify vertx core
add examples.
modify REAMDE
Migrate from gradle to maven.

I know maven better, and the clojure plugin makes it easy to get a repl.
Use the new io.vertx group id.
A basic test to get the test setup working.
Enough support to test deploy.
Basic verticle deployment with tests.
Implement eventbus fns with tests.
Implement timers.
Broaden fns to allow passing a container/eventbus/vertx.

Instead of always assuming the defaults.
Rename handle fns to handler.
Adjust after rebasing against stream's repo.
Update README.