RestAPI v3.1: introducing WebSocket resources as a substitute for SSE
 - Refactored plugin to leverage servlet architecture
 - introduced Atmosphere-based WebSocket resources under /ws/ path
 - updated libraries (Jersey 2.11, Jetty 8.1.15, Swagger 1.3.7, SwaggerUI 2.0.18+)
RestAPI v3.1 : little fix on ws responses and servlet startup
zwave plugin set parameters for 5.6 version in pom.xml
Merge pull request #36 from mcicolella/zwave

zwave plugin set parameters for 5.6 version in pom.xml
RestAPI v3: updated server self-signed ssl certificate.
 - Previous one expired on Aug 6th.
first commit of philips hue plugin
philips-hue plugin complete code refactoring