Further upgrade node-postgresql to 1.2.0, for field types availability

Author: Sandro Santilli

npm-shrinkwrap.json

@@ -13,7 +13,7 @@
         "express": "~2.5.11",
         "underscore"  : "~1.3.3",
         "underscore.string": "~1.1.6",
-        "pg": "~1.1.3",
+        "pg": "~1.2.0",
         "express": "~2.5.11",
         "generic-pool": "~2.0.2",
         "redis": "0.7.1",