acu112372 using system's version instead of hardcodded
Merge pull request #216 from rightscale/ivory_13_08_acu112372_correct_centos_version_in_yum

Ivory 13 08 acu112372 correct centos version in yum
Merge pull request #221 from rightscale/cornsilk_13_9_acu113249_offline_failed_handling

Cornsilk 13 9 acu113249 offline failed handling
acu112372 - Merge branch 'v5.9'

* v5.9:
  acu112372 using system's version instead of hardcodded