Based on Tobias Hunger's work from a few months ago.
The CMake configuration needs libclang and Qt paths specified as
CMAKE_PREFIX_PATH.
Auto tests are run with "ctest". At the moment the pass rate is 87%.
Change-Id: Iba98e39bf22077d52706dce6c85986be67a6eab0
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>
Reviewed-by: Tobias Hunger <tobias.hunger@qt.io>
Reviewed-by: Eike Ziller <eike.ziller@qt.io>