Fix startup issue on RHEL/CentOS when package install is used
On RHEL-family, create an /etc/sysconfig/redis file to set REDIS_USER

Required if you want to run redis as a different user on RHEL systems w/
package install.
resync
Login and readability cleanup
Merge pull request #43 from irvingpop/master

Updated improvements for RHEL family with  package installs