fix build by updating the version of PG to 9.4 (on local machine we use 9.6)
fix build by updating the version of PG to 9.4 (on local machine we use 9.6)

GeoHealth/HAppi_backend,GeoHealth/HAppi_backend,GeoHealth/HAppi_backend,GeoHealth/HAppi_backend,GeoHealth/HAppi_backend