accepts km in WKT buffer
had km, need m(eters)
cast bask to geometry needed for comparison
Merge pull request #511 from brianmckenna/m112_add_km_radius

CIDEVSTC-99 - M112 - support search radius in meters
Added datastore query constants
CIDEVSTC-306: Enhancements to resource and association queries
CIDEVSTC-306: Enhance event queries
CIDEVSTC-306: Provide recursive resource and association queries
CIDEVSTC-306: Provide parameterized datastore queries