Update the links to api-ref of network

The URLs are changed and it is hard to check API reference during
the code review of Tempest.
So this patch updates the links of networks_client.

Change-Id: Ifd6bd75fa499db661c1bce0e6ee022ea7cbcdc8a
diff --git a/tempest/lib/services/network/networks_client.py b/tempest/lib/services/network/networks_client.py
index 7d75bf7..6b601ee 100755
--- a/tempest/lib/services/network/networks_client.py
+++ b/tempest/lib/services/network/networks_client.py
@@ -19,7 +19,7 @@
         """Creates a network.
 
         Available params: see http://developer.openstack.org/
-                              api-ref-networking-v2.html#createNetwork
+                              api-ref/networking/v2/index.html#create-network
         """
         uri = '/networks'
         post_data = {'network': kwargs}
@@ -29,7 +29,7 @@
         """Updates a network.
 
         Available params: see http://developer.openstack.org/
-                              api-ref-networking-v2.html#updateNetwork
+                              api-ref/networking/v2/index.html#update-network
         """
         uri = '/networks/%s' % network_id
         post_data = {'network': kwargs}
@@ -39,7 +39,7 @@
         """Shows details for a network.
 
         Available params: see http://developer.openstack.org/
-                              api-ref-networking-v2.html#showNetwork
+                              api-ref/networking/v2/index.html#show-network-details
         """
         uri = '/networks/%s' % network_id
         return self.show_resource(uri, **fields)
@@ -52,7 +52,7 @@
         """Lists networks to which the tenant has access.
 
         Available params: see http://developer.openstack.org/
-                              api-ref-networking-v2.html#listNetworks
+                              api-ref/networking/v2/index.html#list-networks
         """
         uri = '/networks'
         return self.list_resources(uri, **filters)
@@ -61,7 +61,7 @@
         """Create multiple networks in a single request.
 
         Available params: see http://developer.openstack.org/
-                              api-ref-networking-v2.html#bulkCreateNetwork
+                              api-ref/networking/v2/index.html#bulk-create-networks
         """
         uri = '/networks'
         return self.create_resource(uri, kwargs)