Make peaceful off function in init script bourne shell compatible #3638

see also: https://jira.opensciencegrid.org/browse/SOFTWARE-1456
Enable systemd support on RHEL7. #4534
Systemd support starts with RedHat 7 #4534
Drop in 00-restart_peaceful.config for non-uw builds #3638
Merge branch 'V8_2-branch' of /p/condor/repository/CONDOR_SRC into V8_2-branch
Merge branch 'V8_2-branch'

Conflicts:
	build/packaging/srpm/condor.spec