Replace godep with dep

vendor/github.com/go-openapi/spec/fixtures/expansion/invalid-refs.json

@@ -0,0 +1,85 @@
+{
+  "swagger": "2.0",
+  "info": {
+    "version": "1.0.0",
+    "title": "Swagger Petstore",
+    "contact": {
+      "name": "wordnik api team",
+      "url": "http://developer.wordnik.com"
+    },
+    "license": {
+      "name": "Creative Commons 4.0 International",
+      "url": "http://creativecommons.org/licenses/by/4.0/"
+    }
+  },
+  "host": "petstore.swagger.wordnik.com",
+  "basePath": "/api",
+  "schemes": [
+    "http"
+  ],
+  "paths": {
+    "/pets": {
+      "get": {
+        "tags": [ "Pet Operations" ],
+        "summary": "finds pets in the system",
+        "responses": {
+          "200": {
+            "description": "pet response",
+            "schema": {
+              "type": "array",
+              "items": {
+                "$ref": "NotCorrectRef"
+              }
+            },
+            "headers": {
+              "x-expires": {
+                "type": "string"
+              }
+            }
+          },
+          "default": {
+            "description": "unexpected error",
+            "schema": {
+              "$ref": "NotCorrectRef"
+            }
+          }
+        }
+      }
+    }
+  },
+  "definitions": {
+    "Pet": {
+      "required": [
+        "id",
+        "name"
+      ],
+      "properties": {
+        "id": {
+          "type": "integer",
+          "format": "int64"
+        },
+        "name": {
+          "type": "string"
+        },
+        "tag": {
+          "type": "string"
+        }
+      }
+    },
+    "Error": {
+      "required": [
+        "code",
+        "message"
+      ],
+      "properties": {
+        "code": {
+          "type": "integer",
+          "format": "int32"
+        },
+        "message": {
+          "type": "string"
+        }
+      }
+    }
+  }
+}