Handle obscure usermeta data consistency error
Cleanup
Clarification on updatePartnerData handler behavior
Do not send revSearch requests when coords field is empty

This fixes numerous /revSearch/NaN,NaN malformed requests
Do not fail to show mapPicker when coords are empty
Center on default location when coords are empty in mapPicker
Copy initOSM behavior to mapPicker to select default map location
Fix defaultCoords centering and city centering