Fixed #124 -- fill in explicit values for Flavor params.
Merge pull request #159 from opdemand/124-ami-in-flavors

Fixed #124 -- fill in explicit values for Flavor params.

Ultimately we want to move this into the provider modules themselves, but for now this is the easiest way to accomplish the stated goal.  When we implement the next provider we'll tackle how we seed flavors in a pluggable way.