Javadoc update
fixing url to jetty
Using StandardCharset where appropriate
System.lineSeparator exists
446107 - NullPointerException in ProxyServlet when extended by Servlet
without a package 

+ Adding null check
446033 - org.eclipse.jetty.websocket.server.WebSocketServerFactory not available in OSGi

+ Tweaking version identifiers in websocket
+ Adding oej.websocket.server.pathmap to Dynamic-Import of
  websocket-servlet manifest