Clarifying the postgis query field.
Clarifying the postgis query field.

MappingKat/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,florianf/tileoven,tilemill-project/tilemill,MappingKat/tilemill,nyimbi/tilemill,fxtentacle/tilemill,tizzybec/tilemill,tilemill-project/tilemill,Zhao-Qi/tilemill,mbrukman/tilemill,florianf/tileoven,Zhao-Qi/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,tizzybec/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,paulovieira/tilemill-clima,fxtentacle/tilemill,isaacs/tilemill,MappingKat/tilemill,tizzybec/tilemill,isaacs/tilemill,mbrukman/tilemill,MappingKat/tilemill,nyimbi/tilemill,tizzybec/tilemill,nyimbi/tilemill,MappingKat/tilemill,fxtentacle/tilemill,isaacs/tilemill,fxtentacle/tilemill,fxtentacle/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,paulovieira/tilemill-clima,tilemill-project/tilemill,tizzybec/tilemill,mbrukman/tilemill,paulovieira/tilemill-clima,nyimbi/tilemill,mbrukman/tilemill,Zhao-Qi/tilemill,mbrukman/tilemill,nyimbi/tilemill,Zhao-Qi/tilemill,Zhao-Qi/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,paulovieira/tilemill-clima,florianf/tileoven,paulovieira/tilemill-clima