open-room-map: added python-scipy as a required package. I need this for one of the sites
open-room-map: added libdbd-pg for the perl scripts
Added a puppet postgres module
Fix ServerAdmin email address for open-room-map to be dtg-infra

Signed-off-by: Daniel Thomas <drt24@cam.ac.uk>
Don't load ucam_webauth module in open-room-map.conf as already loaded through mods-enabled

Signed-off-by: Daniel Thomas <drt24@cam.ac.uk>
Proxy open-room-map through to open-room-map.dtg rather than .cl

as .dtg is the one under our control atm and will keep working once the .cl
pointer is switched over

Signed-off-by: Daniel Thomas <drt24@cam.ac.uk>