Simple Server Side Events (SSE) implementation using http kit.
Build an executable jar with the following command.
$ lein uberjar
Pipe output of some program to the service
$ some-program-that-dumps-into-stdout | java -jar eventsource-0.1.0-SNAPSHOT-standalone.jar
Access the sample webpage at http://localhost:8080 and
Access the event stream at http://localhost:8080/stream