Photographer's Field Tools

v3.8 draw complete milkyway on the map view, add setting camera/scene location to a marker location, performance improvement, bug fixes v3.7 fixed compatible issue with Android 5.0 Lollipop, added Catalan language. Thanks Agust for contributing both Spanish and Catalan.v3.6 fixed two bugs in dark sky and streetview respectively, which only happen on some tablets.