Applied WebApplication interface changes

proxyapplication.h

@@ -4,14 +4,19 @@
 
 class QJsonObject;
 
+class WebServer;
+
 class ProxyApplication : public WebApplication
 {
     Q_OBJECT
 
 public:
-    ProxyApplication(const QJsonObject &config, QObject *parent = Q_NULLPTR);
+    ProxyApplication(const QJsonObject &config, WebServer &webServer);
 
     void start() Q_DECL_OVERRIDE;
 
     void handleRequest(HttpClientConnection *connection, const HttpRequest &request) Q_DECL_OVERRIDE;
+
+private:
+    WebServer &m_webServer;
 };