- start implemntation of websocket server, to listenning changes

- Add CORS enable (allow all origins)
- Allow java debugging, using Maven profile -Prun
- Fix categories data

- Add missing i18n
- Add REST action registry/record/_update
- Run blockchain synchronization at node startup
- Fix classpath issue for WebSocket

- Fix 'mvn -Prun' test
- Use ServiceLocator and beans resolution issue

 - rename ucoinj into duniter4j
 - merge module elasticsearch and elasticsearch-plugin