Fixes #2714 - corrected IO#popen parameter on ruby 1.8.7
fixes #2738 - handle multiple dynamic modulepaths
Fixes #2790 - Optionally set DNS TTL value from settings.yml config file
Fix #2807: Remove the SCL prefix from the name
fixes #2055 - add rubyipmi dependency for BMC support

(cherry picked from commit 9a7adb56d20a5822e915b5f5b4da9cbdbbc5429f)