Not compatible with postgres < 9.3

[JorisVanEijden]

The config template has parameters that were introduced in 9.3:

LOG:  unrecognized configuration parameter "unix_socket_directories" in file "/var/lib/pgsql/9.2/data/postgresql.conf" line 59
LOG:  unrecognized configuration parameter "wal_sender_timeout" in file "/var/lib/pgsql/9.2/data/postgresql.conf" line 183
LOG:  unrecognized configuration parameter "wal_receiver_timeout" in file "/var/lib/pgsql/9.2/data/postgresql.conf" line 200
LOG:  unrecognized configuration parameter "lock_timeout" in file "/var/lib/pgsql/9.2/data/postgresql.conf" line 360
FATAL:  configuration file "/var/lib/pgsql/9.2/data/postgresql.conf" contains errors

[Trikke76]

will add a check for >9.2 when i have more time