Update pg dependency to version 0.13.0
Update pg dependency to version 0.13.0

HackMichiana/adopt-a-bus-stop,OpenTwinCities/adopt-a-tree,jasnow/adopt-a-hydrant,voyera/adopt-a-hydrant,codeforamerica/adopt-a-hydrant,codeforamerica/adopt-a-hydrant,jamiekelly/adopt-a-hydrant,friendlycode/adopt-a-hydrant,codeforboston/adopt-a-hydrant,HackMichiana/adopt-a-bus-stop,jasnow/adopt-a-hydrant,siruguri/adopt-a-drain,openoakland/adopt-a-drain,openoakland/adopt-a-drain,t-pfaff/adopt-a-hydrant,codeforamerica/adopt-a-siren,0111001101111010/adopt-a-spot-odu,codefornigeria/adopt-a-hydrant,mapmeld/Adopt-a-Siren-Macon,voyera/adopt-a-hydrant,OpenTwinCities/adopt-a-tree,codeforamerica/adopt-a-siren,codeforanchorage/adopt-a-hydrant,Bryanprz/adopt-a-street,akintoey/adopt-a-hydrant,eebbesen/adopt-a-tree,akintoey/adopt-a-hydrant,Bryanprz/adopt-a-street,t-pfaff/adopt-a-hydrant,friendlycode/adopt-a-hydrant,jamiekelly/adopt-a-hydrant,codeforamerica/adopt-a-hydrant,codeforboston/adopt-a-hydrant,jasnow/adopt-a-hydrant,billyfung/van-racks,code4sac/adopt-a-light,CostantinB/adopt-a-hydrant,codeforanchorage/adopt-a-hydrant,baraka101/dar-adopt-a-mtaro,Stackato-Apps/adopt-a-hydrant,Stackato-Apps/adopt-a-hydrant,codefornigeria/adopt-a-hydrant,Stackato-Apps/adopt-a-hydrant,siruguri/adopt-a-drain,baraka101/dar-adopt-a-mtaro,code4sac/adopt-a-light,openshift-quickstart/adopt-a-hydrant-openshift-quickstart,OpenTwinCities/adopt-a-tree,openshift-quickstart/adopt-a-hydrant-openshift-quickstart,eebbesen/adopt-a-tree,billyfung/van-racks,voyera/adopt-a-hydrant,friendlycode/adopt-a-hydrant,openshift-quickstart/adopt-a-hydrant-openshift-quickstart,mapmeld/Adopt-a-Siren-Macon,CostantinB/adopt-a-hydrant,OpenTwinCities/adopt-a-tree,eebbesen/adopt-a-tree,akintoey/adopt-a-hydrant,baraka101/dar-adopt-a-mtaro,codeforsavannah/adopt-a-garden,codefornigeria/adopt-a-hydrant,Bryanprz/adopt-a-street,billyfung/van-racks,CostantinB/adopt-a-hydrant,jamiekelly/adopt-a-hydrant,t-pfaff/adopt-a-hydrant,siruguri/adopt-a-drain,codeforsavannah/adopt-a-garden,0111001101111010/adopt-a-spot-odu