Use published version of swagger-node-runner

[penx]

Awaiting:

• Add date and time format support json-schema-faker/json-schema-faker#360 (comment) release of json-schema-faker
• Update json-schema-faker for date and time support apigee-127/sway#174 failing tests with json-schema-faker@0.5.0-rc13
• UNRESOLVABLE_REFERENCE for circular references apigee-127/sway#165 UNRESOLVABLE_REFERENCE for circular references
• Add date and time format support to mocks apigee-127/sway#168 Add date and time format support to mocks
• Prerelease on npm apigee-127/sway#173 release of sway
• Allow mocks for paths without a controllerName apigee-127/swagger-node-runner#119
• swagger router - default response for mock apigee-127/swagger-node-runner#121
• Release with fixes #119 and #121 apigee-127/swagger-node-runner#135
• Upgrade Sway to 2.0.0 apigee-127/swagger-node-runner#136