Merge remote-tracking branch 'upstream/v0.2.0' into update-identity-v2

Conflicts:
	openstack/common/extensions/requests.go
	openstack/identity/v3/tokens/results.go
	openstack/networking/v2/extensions/delegate_test.go
diff --git a/openstack/common/extensions/requests.go b/openstack/common/extensions/requests.go
old mode 100644
new mode 100755
index ed5ea4b..000151b
--- a/openstack/common/extensions/requests.go
+++ b/openstack/common/extensions/requests.go
@@ -9,12 +9,11 @@
 // Get retrieves information for a specific extension using its alias.
 func Get(c *gophercloud.ServiceClient, alias string) GetResult {
 	var res GetResult
-	_, err := perigee.Request("GET", ExtensionURL(c, alias), perigee.Options{
+	_, res.Err = perigee.Request("GET", ExtensionURL(c, alias), perigee.Options{
 		MoreHeaders: c.Provider.AuthenticatedHeaders(),
 		Results:     &res.Resp,
 		OkCodes:     []int{200},
 	})
-	res.Err = err
 	return res
 }