refactor to go-restful

vendor/github.com/emicklei/go-restful-openapi/README.md

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+# go-restful-openapi
+
+[![Build Status](https://travis-ci.org/emicklei/go-restful-openapi.png)](https://travis-ci.org/emicklei/go-restful-openapi)
+[![GoDoc](https://godoc.org/github.com/emicklei/go-restful-openapi?status.svg)](https://godoc.org/github.com/emicklei/go-restful-openapi)
+
+[openapi](https://www.openapis.org) extension to the go-restful package, targeting [version 2.0](https://github.com/OAI/OpenAPI-Specification)
+
+## The following Go field tags are translated to OpenAPI equivalents
+- description
+- minimum
+- maximum
+- optional ( if set to "true" then it is not listed in `required`)
+- unique
+- modelDescription
+- type (overrides the Go type String())
+- enum
+- readOnly
+
+See TestThatExtraTagsAreReadIntoModel for examples.
+
+## dependencies
+
+- [go-restful](https://github.com/emicklei/go-restful)
+- [go-openapi](https://github.com/go-openapi/spec)
+
+© 2018, ernestmicklei.com.  MIT License. Contributions welcome.