SDEV-14: put extended_info tests into non-uw tests
Merge branch 'jswan2' into working
SPOT-596: Made default datetime aware and set tz to GMT
500 error is no longer thrown when more than 20 spots are requested

fixes SPOT-635

if <20 spots are requested, the exact spots are returned, and if
>20 spots are requested, only 20 are returned and no 500 error is
thrown. also, a 400 error is now thrown if distance, lat, or long
are specified but not all 3.