Update go dependencies

vendor/github.com/gophercloud/gophercloud/.gitignore

@@ -1 +1,2 @@
 **/*.swp
+.idea

vendor/github.com/gophercloud/gophercloud/.zuul.yaml

@@ -0,0 +1,12 @@
+- project:
+    name: gophercloud/gophercloud
+    check:
+      jobs:
+        - gophercloud-unittest
+        - gophercloud-acceptance-test
+    recheck-mitaka:
+      jobs:
+        - gophercloud-acceptance-test-mitaka
+    recheck-pike:
+      jobs:
+        - gophercloud-acceptance-test-pike

vendor/github.com/gophercloud/gophercloud/openstack/client.go

@@ -346,3 +346,11 @@ func NewImageServiceV2(client *gophercloud.ProviderClient, eo gophercloud.Endpoi
 	sc.ResourceBase = sc.Endpoint + "v2/"
 	return sc, err
 }
+
+// NewLoadBalancerV2 creates a ServiceClient that may be used to access the v2
+// load balancer service.
+func NewLoadBalancerV2(client *gophercloud.ProviderClient, eo gophercloud.EndpointOpts) (*gophercloud.ServiceClient, error) {
+	sc, err := initClientOpts(client, eo, "load-balancer")
+	sc.ResourceBase = sc.Endpoint + "v2.0/"
+	return sc, err
+}

vendor/github.com/gophercloud/gophercloud/pagination/pager.go

@@ -22,7 +22,6 @@ var (
 // Depending on the pagination strategy of a particular resource, there may be an additional subinterface that the result type
 // will need to implement.
 type Page interface {
-
 	// NextPageURL generates the URL for the page of data that follows this collection.
 	// Return "" if no such page exists.
 	NextPageURL() (string, error)

vendor/github.com/gophercloud/gophercloud/provider_client.go

@@ -145,10 +145,6 @@ func (client *ProviderClient) Request(method, url string, options *RequestOpts)
 	}
 	req.Header.Set("Accept", applicationJSON)
 
-	for k, v := range client.AuthenticatedHeaders() {
-		req.Header.Add(k, v)
-	}
-
 	// Set the User-Agent header
 	req.Header.Set("User-Agent", client.UserAgent.Join())
 
@@ -162,6 +158,11 @@ func (client *ProviderClient) Request(method, url string, options *RequestOpts)
 		}
 	}
 
+	// get latest token from client
+	for k, v := range client.AuthenticatedHeaders() {
+		req.Header.Set(k, v)
+	}
+
 	// Set connection parameter to close the connection immediately when we've got the response
 	req.Close = true