Added properties proxy example (João Xavier)

examples/properties_get_set/propsgs-client.h

@@ -0,0 +1,20 @@
+#ifndef __DEMO_PROPS_SERVER_H
+#define __DEMO_PROPS_SERVER_H
+
+#include <dbus-c++/dbus.h>
+#include "propsgs-glue-proxy.h"
+
+class PropsClient
+: public org::freedesktop::DBus::PropsGSDemo_proxy,
+  public DBus::IntrospectableProxy,
+//  public DBus::PropertiesProxy,
+  public DBus::ObjectProxy
+{
+public:
+
+	PropsClient(DBus::Connection &connection, const char *path, const char *name);
+	
+	void MessageChanged(const std::string& message);
+};
+
+#endif//__DEMO_PROPS_SERVER_H