Added a compile-time switch to disable the GConf settings backend.
Added a compile-time switch to disable the GConf settings backend.

RevBy: Jon Nordby, Michael Hasselmann
When disabled, uses QSettings to store the settings.

Full, original commit at 0b0a70d4060888e514ab40de3e21c4e46d2554a3 in maliit-framework

maliit/inputcontext-gtk,maliit/inputcontext-gtk