Update core properties spec for new Location keys.
Update core properties spec for new Location keys.

Updates the core properties specification for Location keys based off
Geoclue's schema for addresses, which is more generic and hence fits
different countrie's address schemes better.
Also this removes the 'Context.' prefix as its really rather pointless

Signed-off-by: Marius Vollmer <bb11c6e942c5cc765df5f04da146b3198127a7a3@nokia.com>

rburchell/ck,rburchell/ck,rburchell/ck,rburchell/ck,rburchell/ck