replaced Configuration singleton with ConfigurationProvider; renamed .rumm file to .rummrc
Set up login tests to work with new spec
rebasing with master
rewrote spec to test for the json configuration
Made the configuration tests play nice with others
Got the method stub to work
Merge branch 'multi_region' of github.com:rackspace/rumm into multi_region

Conflicts:
	spec/features/login_spec.rb
Added unsuccessful login test
Added test coverage for logging in with invalid credentials and logging out
Cleaned up dev code in configuration test
Changed configuration to be a provider rather than a singleton
Merge pull request #70 from BastionFennell/multi_region

Multi region test integration
Merge pull request #56 from rackspace/multi_region

Multiple Region Support