Purge all things iwhd
BaseImages#show shows provider accounts whether or not images are built

This fixes a bug where the BaseImage detail page would only show the
available provider accounts if they had an image built.

Fixes https://github.com/aeolusproject/conductor/issues/306
Merge pull request #363 from n1zyy/issue_306

BaseImages#show shows provider accounts whether or not images are built
Merge pull request #277 from jeckersb/purge-iwhd

Tim integration - remove iwhd from aeolus setup and rpms