initial spike on openstack identity/auth, including versioning
Merge branch 'master' into feature/auth; fixed merge conflict

Conflicts:
	spec/spec_helper.rb
add the openstack models and request classes from fog

add the openstack models and request classes from fog
wow - it actually works.
rename
rename OpenStackCloud to OpenStackCommon
rename continues
move version into the correct folder
finish up rename to OpenStackCommon
try to get this to work under the fog folder
refactored with a new top-level 'fog' folder
cruft; add reporter for better test output
initial identity spec
minimize output
remove
introduce distinct folders for model/requests/services tests
merge two identity specs; add docs
clean up spec, refactor
refactor for clarity
add simplecov