Add Heat API client.

-add Heat API client
-add requirement version of python-heatclient

Tests of Fuel-plugin-vmware-dvs + Heat
need initialization Heat API Client.
So Heat API Client was added to Common and
python-heatclient version to requirements.

Change-Id: I4899961e49b12788feee0792c4a7911eddb1795c

fuelweb_test/helpers/common.py

@@ -17,6 +17,7 @@ import time
 import traceback
 
 from cinderclient import client as cinderclient
+from heatclient.v1.client import Client as HeatClient
 from glanceclient.v1 import Client as GlanceClient
 import ironicclient.client as ironicclient
 from keystoneclient.v2_0 import Client as KeystoneClient
@@ -110,6 +111,15 @@ class Common(object):
                        'insecure': insecure}
         self.glance = GlanceClient(**glance_args)
 
+        heat_endpoint = self.keystone.service_catalog.url_for(
+            service_type='orchestration', endpoint_type='publicURL')
+
+        heat_args = {'endpoint': make_endpoint(heat_endpoint),
+                     'token': token,
+                     'cacert': path_to_cert,
+                     'insecure': insecure}
+        self.heat = HeatClient(**heat_args)
+
         try:
             ironic_endpoint = self.keystone.service_catalog.url_for(
                 service_type='baremetal',

fuelweb_test/requirements.txt

@@ -11,6 +11,7 @@ python-novaclient>=2.15.0
 python-cinderclient>=1.0.5
 python-neutronclient>=2.0
 python-ironicclient>=0.8.0
+python-heatclient>=0.6.0
 oslo.i18n>=3.1.0
 six
 Jinja2