Add puppetlabs-postgresql and its dependency puppetlabs-firewall
Add postgresql setup to manifest.
Remove unnecessaryly detailed Postgres configuration, this is all done implicitely by postgresql::db.
Update postgresql submodule so we can make use of the finer-grained pga_hba.conf control.
Add missing (undocumented) dependency concat for postgresql
Ensure MD5 authentication works for `local' connections.

However, doesn't seem to work yet.
Create the databases for user vagrant so that ident authentification works.
Add the PostgreSQL 9.2 repository.
Use the proper postgresql::params declaration for specifying the PostgreSQL version.
Add the -contrib package so we can have hstore.
Install postgresql92-devel for the pg C extension.
Re-add the contrib package, it IS required and not automatically installed
Merge pull request #2 from Quintus/master

Add PostgreSQL