do not config virtual memory after 2.4.
zipmap v. ziplist change with 2.6
Merge pull request #1 from hubspotdevops/vm_config

Handle some 2.4 v. 2.6 changes
Add configuration for 2.6.  This has not been tested on 2.4
unfortunately.
Expose 2.6 configuration for RHEL.
Once more typo in the conf file to reduce the diff when applying
Merge pull request #2 from hubspotdevops/redis_2_6

Handle Redis 2.6 on RHEL.
Make redis service restarts optional.
Fix Exec resource for service notify
Make sure service requires confi setup in cases where we don't notify
the service on config change
Merge pull request #3 from hubspotdevops/service_restart

toggle ability to notify service to restart when config file changes
merged in hubspot