Fog code for knife-cloud
Renamed the test files correctly
Merge branch 'muktaa-oc-8566-base-classes' of https://github.com/ClogenyTechnologies/knife-cloud into oc-8582-fog
Merge branch 'muktaa-oc-8566-base-classes', remote-tracking branch 'origin' into oc-8582-fog
Unit tests for fog server create and  delete commands. List test-cases in progress.
Added image and server list test cases.
Updated the listing test-cases.
Updated the server list spec with a comment.
Merge branch 'oc-8582-fog' into knife-cloud-rspec
Merge remote-tracking branch 'origin/oc-8582-fog' into knife-cloud-rspec