Port from ECMQueryQmake to ECMQueryQt
Deprecate ECMQueryQmake, superseded by ECMQueryQt
KDEInstallDirs6: port from custom logic to ecm_query_qt
Continuation of commit 4e47b053.
All unittests still pass.
Deprecate ECMQueryQmake, superseded by ECMQueryQt
KDEInstallDirs6: port from custom logic to ecm_query_qt
Continuation of commit 4e47b053.
All unittests still pass.