dbus: use sdbus-c++ for dbus communications

.gitignore

CMakeLists.txt

Dockerfile

README

bin/Makefile.am

bin/dbus/Makefile.am

bin/dbus/cx.ring.Ring.service.in

bin/dbus/dbus_cpp.h

bin/dbus/dbuscallmanager.cpp

bin/dbus/dbuscallmanager.h

bin/dbus/dbuscallmanager.hpp

bin/dbus/dbusclient.cpp

bin/dbus/dbusclient.h

bin/dbus/dbusconfigurationmanager.cpp

bin/dbus/dbusconfigurationmanager.h

bin/dbus/dbusconfigurationmanager.hpp

bin/dbus/dbusinstance.h

bin/dbus/dbusinstance.hpp

bin/dbus/dbuspluginmanagerinterface.cpp

bin/dbus/dbuspluginmanagerinterface.h