@Override
    public void init(ServletConfig servletConfig) throws ServletException {
        super.init(servletConfig);
        boshManager = HttpBindManager.getInstance();
        sessionManager = boshManager.getSessionManager();
        sessionManager.start();
    }
Servlet which handles requests to the HTTP binding service. It determines if there is currently
an {@link HttpSession} related to the connection or if one needs to be created and then passes it
off to the {@link HttpBindManager} for processing of the client request and formulating of the
response.

@author Alexander Wenckus
xmppserver/src/main/java/org/jivesoftware/openfire/http/HttpBindServlet.java