fixes #8735 - enable config drive on Rackspace servers
gemfile updated to rails 4, removed a bunch of unsupported gems
project still broken, but rails boots up
fixes #8726 - recreating the hash_for method in the routes helpers
fixes #8737 - removing deprecation warning due to has_many deprecation of conditions, whiny nils, etc. also, gems which have wrong dependencies now work from their github forks
removed all the traceable errors in running tests, but everything's still failing
fixes #8738 - tests are running, but failing