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New in 0.9 version

* this is inital version actually, changes are against F21 version:
  http://pkgs.fedoraproject.org/cgit/postgresql.git/tree/?id=49f074f1918a61

* prepared for /etc/sysconfig/postgresql configuration, taking into account
  that we should make the s/postgresql.service/postgresql@.service/
  (instantiable) change.

* allow user to specify PGPORT also by 'port' option in postgresql.conf

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