Remove cloud_storage_status from qmlprefs.h.
usage to qPref::
enum cloud_storage_status is not used from C, but only from C++, and
having the same structure defined multiple times is a maintenance
challenge.
Signed-off-by: Jan Iversen <jani@apache.org>
add 2 header files and 1 cpp file (qPrefPrivate does not have an implementation)
The rewrite/consoliadation of SettingsObjectWrapper, qmlmanager, qmlpref and planner
needs a place to put common private parts (qPrefPrivate) and 1 common class (qPref).
Signed-off-by: Jan Iversen <jani@apache.org>