spec: spring cleaning
- %_pkgdocdir definition, not needed now
- define %service_name == postgresql.service
- remove duplicate help2man br
- don't try to install perl-generators on RHEL
- add BR Data::Dumper for perl testsuite
- use %_localstatedir for several /var occurrences
- use %_datadir instead of hard-wiring it
- don't install *.o tutorial files (rhbz#1187514)
- use mv instead of cp for rhbz#1250006 work-around
- run 'make check' for postgresql-setup tarball
Resolves: rhbz#1440729
Version: 9.6.2-3