Update install docs for Keystone v3

Since the Keystone v2 API was removed in Queens, the Keystone setup
documentation recommends using the same port (5000) for admin access as
for regular internal/public access.

Change-Id: Ic49acc5b57122fded11b5d17f8b51bf54dd29674
Task: 33508

doc/source/getting_started/standalone.rst

@@ -31,7 +31,7 @@ The localrc looked like this::
 
   HEAT_STANDALONE=True
   KEYSTONE_AUTH_HOST=192.168.1.88
-  KEYSTONE_AUTH_PORT=35357
+  KEYSTONE_AUTH_PORT=5000
   KEYSTONE_AUTH_PROTOCOL=http
   KEYSTONE_SERVICE_HOST=$KEYSTONE_AUTH_HOST
   KEYSTONE_SERVICE_PORT=$KEYSTONE_AUTH_PORT
@@ -72,7 +72,7 @@ Now make a file to store your new environment (heat.env).
   export OS_USERNAME=admin
   export OS_TENANT_NAME=demo
   export OS_PASSWORD=abetterpasswordthanthis
-  export OS_AUTH_URL=http://192.168.1.88:35357/v2.0/
+  export OS_AUTH_URL=http://192.168.1.88:5000/v3/
 
 Now you use this like::
 

doc/source/install/install-obs.rst

@@ -357,7 +357,7 @@ Install and configure components
         [keystone_authtoken]
         ...
         www_authenticate_uri = http://controller:5000
-        auth_url = http://controller:35357
+        auth_url = http://controller:5000
         memcached_servers = controller:11211
         auth_type = password
         project_domain_name = default
@@ -369,7 +369,7 @@ Install and configure components
         [trustee]
         ...
         auth_type = password
-        auth_url = http://controller:35357
+        auth_url = http://controller:5000
         username = heat
         password = HEAT_PASS
         user_domain_name = default

doc/source/install/install-rdo.rst

@@ -368,7 +368,7 @@ Install and configure components
         [keystone_authtoken]
         ...
         www_authenticate_uri = http://controller:5000
-        auth_url = http://controller:35357
+        auth_url = http://controller:5000
         memcached_servers = controller:11211
         auth_type = password
         project_domain_name = default
@@ -380,7 +380,7 @@ Install and configure components
         [trustee]
         ...
         auth_type = password
-        auth_url = http://controller:35357
+        auth_url = http://controller:5000
         username = heat
         password = HEAT_PASS
         user_domain_name = default

doc/source/install/install-ubuntu.rst

@@ -356,7 +356,7 @@ Install and configure components
         [keystone_authtoken]
         ...
         www_authenticate_uri = http://controller:5000
-        auth_url = http://controller:35357
+        auth_url = http://controller:5000
         memcached_servers = controller:11211
         auth_type = password
         project_domain_name = default
@@ -368,7 +368,7 @@ Install and configure components
         [trustee]
         ...
         auth_type = password
-        auth_url = http://controller:35357
+        auth_url = http://controller:5000
         username = heat
         password = HEAT_PASS
         user_domain_name = default