[calamares] Use DBus activation instead of KDSAG

3rdparty/kdsingleapplicationguard/LICENSE.LGPL.txt

.../kdsingleapplicationguard/kdlockedsharedmemorypointer.cpp

...ty/kdsingleapplicationguard/kdlockedsharedmemorypointer.h

3rdparty/kdsingleapplicationguard/kdsharedmemorylocker.cpp

3rdparty/kdsingleapplicationguard/kdsharedmemorylocker.h

...rty/kdsingleapplicationguard/kdsingleapplicationguard.cpp

3rdparty/kdsingleapplicationguard/kdsingleapplicationguard.h

3rdparty/kdsingleapplicationguard/kdtoolsglobal.cpp

3rdparty/kdsingleapplicationguard/kdtoolsglobal.h

3rdparty/kdsingleapplicationguard/pimpl_ptr.cpp

3rdparty/kdsingleapplicationguard/pimpl_ptr.h

CHANGES

CMakeLists.txt

LICENSES/LGPL-2.0-only.txt

src/calamares/CMakeLists.txt

src/calamares/main.cpp