1) Move DbConnector into its own module
2) Move JacksonConfig stuff into its own module
3) Fix LogEmitterModule to inject properly with a Supplier<>
4) Set Guice to require explicit bindings, to protect from weirdness like was initially experienced with LoggingEmitterConfig
5) Master fires up and appears to all work with Guice!  Whoot!
1) Move the @Json and @Smile annotations to com.metamx.druid.guice.annotations
2) Changed ServiceAnnouncer to take a DruidNode object
3) Remove ServiceInstanceFactory interface and implementations
4) Add registrations to DiscoveryModule so that you can register nodes that should be announced on startup
5) Make the set of default Monitors configurable