Switch to v2 mistral api

Mistral v1 api is not supported since april 2015

Change-Id: Icfc7d511b5bb6ea1f36356e52dc6880ef8599951
Partially implements blueprint mistral-enrich-dashboard

AUTHORS

@@ -3,3 +3,4 @@ Christian Berendt <berendt@b1-systems.de>
 Kirill Izotov <enykeev@stackstorm.com>
 Nikolay Mahotkin <nmakhotkin@mirantis.com>
 Renat Akhmerov <rakhmerov@mirantis.com>
+Zhenguo Niu <niuzhenguo@huawei.com>

README.rst

@@ -31,14 +31,6 @@ Also, make sure you have changed OPENSTACK_HOST to point to your Keystone
 server and check all endpoints are accessible. You may want to change
 OPENSTACK_ENDPOINT_TYPE to "publicURL" if some of them are not.
 
-Register Mistral service and Mistral endpoints on Keystone (required if Mistral
-and Horizon dashboard run on a different boxes)::
-
-    $ MISTRAL_URL="http://[host]:[port]/v1"
-    $ keystone service-create --name mistral --type workflow
-    $ keystone endpoint-create --service_id mistral --publicurl $MISTRAL_URL \
-      --adminurl $MISTRAL_URL --internalurl $MISTRAL_URL
-
 When you're ready, you would need to either restart your apache::
 
     $ sudo service apache2 restart

mistraldashboard/api.py

@@ -18,7 +18,7 @@ from django.conf import settings
 
 from mistralclient.api import client as mistral_client
 
-SERVICE_TYPE = 'workflow'
+SERVICE_TYPE = 'workflowv2'
 
 
 def mistralclient(request):