Upgrade node-postgresql

[strk]

Upgrading to 0.14.x already has a bit of work to be done, for compatibility.
The main one is an internal connection pooler and changes in how numeric fields are parsed by default.

Info about updating: https://github.com/brianc/node-pg-parse-float

It may make sense to wait for 1.0.0 ...

[strk]

wait for this before upgrading: brianc/node-postgres#209

[strk]

Upgraded to 1.2.0 as of 298027a