Added a "Hello World" App
Repackaged the web application - restapi, atmosphere api - under infrastructure.adaptor.web and infrastructure.adaptor.atmosphere
Cleaned-up /stream/trades implementation.

Renamed StreamResource to TradesStreamResource
Associated a trade Broadcaster with the TradesStreamResource's AtmosphereResource on suspend().
Initial implementation of application capable of displaying real-time trades.
Added additional unit-level tests for OrderBook and Side.
Minor refactor of OrderBook.
Suppressed unused method warnings on @EventHandler methods.
Minor refactoring of core domain model.
Added unit-level tests around SecurityOrder to SecurityOrderTest.
Removed unnecessary equals() and hashCode() methods from SecurityOrder.
More minor clean-up.
Introducing QuoteReadModel.
Refactored Guice module configuration to separate creation of test instances of Mongo DB.
ItemPrice is now allowed to be ZERO while still disallowing limit price in a LimitOrder to be ZERO.
Commented out a debugging alert in streaming.js.
Updated mongojack to version 2.0.0.
Fixed jetty configuration to get websockets working.
Added to ItemQuantity tests.
Cleaned-up unused properties in pom.xml.
Introduced ExchangeId field to TradeExecutedEvent.
Working on completing the functionality to produce a quote for a given ticker symbol.
Major refactoring to event source the OrderBook to make it possible to create a read model projection of the OrderBook.
Moved OrderBookReadModel and added tests as well as some minor refactoring.