Merge pull request #11 from haisamido/master

Added ansible_os_family == "RedHat" to 1.2.1 & 1.2.2
Merge pull request #12 from haisamido/master

Added ansible_distribution to 1.2.4, & removed 1.1.18 to 1.1.24 from sec...
Update README.md
Merge pull request #14 from haisamido/patch-1

Update README.md
Merge pull request #15 from haisamido/master

Added accelerate: true to playbook.yml to accelerate ssh connection
Moving default variables into cis role
Fixing error handling of yum check-update

The command returns 100 if any updates are available.  Only a exit
code of 1 should be interpreted as connectivity issues.
Merge pull request #18 from shawnsi/master

Fixups
Took care of merge conflicts