acu154292 Fix up specs for ohai plugins
acu154292 Mock dhcp lease provider call for windows

Don't want it going out to system as this is a cloud and platform specific value
acu154292 Fix up vscale spec as well
acu154292 Fix missing interface data for softlayer spec
acu154292 Revert change
Merge pull request #313 from rightscale/ivory_14_03_acu154292_fix_ohai_specs

Ivory 14 03 acu154292 fix ohai specs