Removing integration_spec folder

Removing integration_spec folder since the code in it isn't being used or
maintained.
987936-link-helper - using search for crosslinking
Merge pull request #2871 from daviddavis/thomasmckay-987936-link-helper

987936-link-helper - using search for crosslinking
Merge pull request #2868 from daviddavis/temp/20130903110224

Removing integration_spec folder
Candlepin: Response could be a string; must use present?
Merge pull request #2872 from daviddavis/temp/20130903132807

Candlepin: Response is a string and therefore must use present?