Add support for OPENSTACK_SSL_{CACERT,NO_VERIFY}

This adds support for the both options mentionned in the title. The ca
certificate was wrongfully passed to keystoneauth through the 'cert' parameter,
which is meant for the client certificate.

Change-Id: I9a6759a8546a235975177bbea59334aa23f99328
Story: 2003689
Task: 26223
Depends-On: https://review.openstack.org/#/c/600510/

cloudkittydashboard/api/cloudkitty.py

@@ -27,6 +27,7 @@ from cloudkittydashboard import utils
 def cloudkittyclient(request):
     """Initialization of Cloudkitty client."""
     cacert = getattr(settings, 'OPENSTACK_SSL_CACERT', None)
+    insecure = getattr(settings, 'OPENSTACK_SSL_NO_VERIFY', False)
     auth_url = getattr(settings, 'OPENSTACK_KEYSTONE_URL', None)
     auth = Token(
         auth_url,
@@ -37,7 +38,8 @@ def cloudkittyclient(request):
     return ck_client.Client(
         '1',
         auth=auth,
-        cert=cacert)
+        cacert=cacert,
+        insecure=insecure)
 
 
 def identify(what, name=False, key=None):