Update dependencies

vendor/github.com/go-openapi/runtime/middleware/go18.go

@@ -0,0 +1,9 @@
+// +build go1.8
+
+package middleware
+
+import "net/url"
+
+func pathUnescape(path string) (string, error) {
+	return url.PathUnescape(path)
+}

vendor/github.com/go-openapi/runtime/middleware/pre_go18.go

@@ -0,0 +1,9 @@
+// +build !go1.8
+
+package middleware
+
+import "net/url"
+
+func pathUnescape(path string) (string, error) {
+	return url.QueryUnescape(path)
+}

vendor/github.com/go-openapi/runtime/middleware/router.go

@@ -16,7 +16,6 @@ package middleware
 
 import (
 	"net/http"
-	"net/url"
 	fpath "path"
 	"regexp"
 	"strings"
@@ -182,7 +181,7 @@ func (d *defaultRouter) Lookup(method, path string) (*MatchedRoute, bool) {
 				debugLog("found a route for %s %s with %d parameters", method, path, len(entry.Parameters))
 				var params RouteParams
 				for _, p := range rp {
-					v, err := url.PathUnescape(p.Value)
+					v, err := pathUnescape(p.Value)
 					if err != nil {
 						debugLog("failed to escape %q: %v", p.Value, err)
 						v = p.Value

vendor/github.com/go-openapi/runtime/middleware/validation_test.go

@@ -41,6 +41,7 @@ func TestContentTypeValidation(t *testing.T) {
 	recorder = httptest.NewRecorder()
 	request, _ = http.NewRequest("POST", "/api/pets", nil)
 	request.Header.Add("content-type", "application(")
+	request.Header.Add("Accept", "application/json")
 	request.ContentLength = 1
 
 	mw.ServeHTTP(recorder, request)