Update postgresql to 9.2.16
Update postgresql from 9.2.15 to 9.2.16, which includes
cf. !685 (merged) (Update postgresql from 9.2.10 to 9.2.15)
FYI: migration notice
http://www.postgresql.org/docs/9.2/static/release-9-2-16.html
E.1.1. Migration to Version 9.2.16
A dump/restore is not required for those running 9.2.X.