revert back to using File instead of Tempfile. Done.
attaching yml extension to generated files
fixing drd_descriptor_v1_spec
attaching yml extension to generated files
fixing external_document_store_spec
fixing rdlint specs
removing api_descriptors directory after all specs
Merge pull request #162 from mdsol/crichton_refactoring_fixing_failing_specs

crichton refactoring: fixing failing specs