Update go-restful dependency

vendor/github.com/emicklei/go-restful-swagger12/ordered_route_map.go

@@ -0,0 +1,36 @@
+package swagger
+
+// Copyright 2015 Ernest Micklei. All rights reserved.
+// Use of this source code is governed by a license
+// that can be found in the LICENSE file.
+
+import "github.com/emicklei/go-restful"
+
+type orderedRouteMap struct {
+	elements map[string][]restful.Route
+	keys     []string
+}
+
+func newOrderedRouteMap() *orderedRouteMap {
+	return &orderedRouteMap{
+		elements: map[string][]restful.Route{},
+		keys:     []string{},
+	}
+}
+
+func (o *orderedRouteMap) Add(key string, route restful.Route) {
+	routes, ok := o.elements[key]
+	if ok {
+		routes = append(routes, route)
+		o.elements[key] = routes
+		return
+	}
+	o.elements[key] = []restful.Route{route}
+	o.keys = append(o.keys, key)
+}
+
+func (o *orderedRouteMap) Do(block func(key string, routes []restful.Route)) {
+	for _, k := range o.keys {
+		block(k, o.elements[k])
+	}
+}