Alex Schultz 536d1c4af5 Fix standalone ControllerOpenstack vars
As we've moved to more dynamic generation of variables, the correct
variable names are *ControllerOpenstack* not *Controller* for the
example standalone environment.

Change-Id: Iaa39de9d8794a856e76cc9995d046484632cf604
Closes-Bug: #1721877
2017-10-06 15:04:35 -06:00
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