Added find_application to rest_client
Modified spec tests to use new client.find_application
Added rest_spec tests to ensure the client is using the proper
find_application
Changed function name and proper URI creation
Fixed spacing for find_application calls
Raise errors based on exit code
Added options to find_application
Fix error messages to bring them in line with old values
Converted RHC::ApplicationNotFound exception to
RHC::Rest::ApplicationNotFound
Using stub_one_application