Fixes #8384: Remove dependence on ui-alchemy_rails and compass.

With a majority of the UI having been ported to AngularJS and Patternfly
the requirement on ui-alchemy_rails is overhead. This removes the dependence
and re-factors areas that were using resources from alchemy.
Merge pull request #4837 from ehelms/remove-alchemy-2

Fixes #8384: Remove dependence on ui-alchemy_rails and compass.