osm: Fix rsync monitoring

Pass the -C argument to rsync to only match the rsync binary and note
the nrpe wrapper shell, also remove the redundant check_ prefix from the
puppet resource

Change-Id: I270844e2859abc18f9faf7b16ae17598c26b4de8
labs: specify a admin user for postgres

This creates a user with the createrole and createdb privileges that
will be used to manage users automatically in the labs environment

Change-Id: Ia7dd49d3c5d375b0871f6d8bd2fb1acd7e9ee630
Merge "osm: Fix rsync monitoring" into production
Merge "labs: specify a admin user for postgres" into production