Geolocation Edit always refresh database contents about GPS info and after...

Geolocation Edit always refresh database contents about GPS info and after write to file metadata if it's possible.
To read GPS Info from item, it try in first database else file metadata.
Geolocation map view is now based to QWebView instead KHTML. So we cannot see no more memory leak and tiles dysfunction with GoogleMaps.
Note : in 5.0.0, Geolocation Edit tool is now also available in ImageEditor, Showfoto and LightTable.
BUGS: 208227
BUGS: 317241
BUGS: 330231
FIXED-IN: 5.0.0