Fix mongos startup script, though only on RHEL family.
rhel init script should use pidfile for status and start
Merge branch 'fix_mongos_initd_rhel_family' of github.com:astral303/chef-mongodb

* 'fix_mongos_initd_rhel_family' of github.com:astral303/chef-mongodb:
  rhel init script should use pidfile for status and start
  Fix mongos startup script, though only on RHEL family.