refactor base class for apis
Update base_spec for new body_parameters default return
Update google_spec to use stub for url method
Refactor and clean up google api class to override corresponding base methods
Refactor tinyurl api class
Update request_spec's reference to shrinker class
Update request parameters sent to Typhoeus from api class configured
Update link_shrink spec for typos
Update link_shrink spec reference to namespaced config to prevent confusion and deprecate warnings related to Ruby's Config