make elastic search proxy bundle agnostic to the project. Provide events for modifying request
do not deny access from proxy bundle. Do not throw BadRequest if request content is not present.
change the event name. Add after-response event. Update docs.
remove dependency of event-dispatcher, as its included in framework bundle
Handle scenario when there is no json data passed to the proxy controller
Update README with better description of events
Merge pull request #3 from xola/auth2

Make elastic search proxy bundle agnostic to the project