Add DBUS C++ bindings, taken from WengoPhone our friend.

libs/dbus/include/dbus-c++/dbus.h

libs/dbus/include/dbus-c++/debug.h

libs/dbus/include/dbus-c++/dispatcher.h

libs/dbus/include/dbus-c++/error.h

libs/dbus/include/dbus-c++/eventloop-integration.h

libs/dbus/include/dbus-c++/eventloop.h

libs/dbus/include/dbus-c++/glib-integration.h

libs/dbus/include/dbus-c++/interface.h

libs/dbus/include/dbus-c++/introspection.h

libs/dbus/include/dbus-c++/message.h

libs/dbus/include/dbus-c++/object.h

libs/dbus/include/dbus-c++/pendingcall.h

libs/dbus/include/dbus-c++/property.h

libs/dbus/include/dbus-c++/refptr_impl.h

libs/dbus/include/dbus-c++/server.h

libs/dbus/include/dbus-c++/types.h

libs/dbus/include/dbus-c++/util.h

libs/dbus/libdbus-c++.spec.in

libs/dbus/src/Makefile.am

libs/dbus/src/connection.cpp