add UI for Auto GPS Capture, under toggle
add tests enshrining pre-auto-gps behavior
add pollsensor in xforms for auto-gps and warm up
enforce that auto gps feature only added to xform >= 2.14
change auto-gps ref to /data/meta/location

from meta/location
Merge branch 'master' into auto-gps
Add orx namespace to pollsensor node
Merge pull request #4101 from dimagi/auto-gps-fix

Add orx namespace to pollsensor node
remove AUTO_GPS_CAPTURE toggle
Merge branch 'master' into auto-gps
Merge pull request #3972 from dimagi/auto-gps

Auto GPS Capture