Move AccessInfo objects into own module

The ServiceCatalog and ServiceProviders should not really be needed in a
standalone sense. They are there to make it easier to work with an
AccessInfo. Therefore move all of this into a standalone access module.

Change-Id: Idc6856d89c2131855657d01114cc72372b3b11f4

keystoneauth1/access/__init__.py

@@ -0,0 +1,19 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+from keystoneauth1.access.access import *  # noqa
+
+
+__all__ = ['AccessInfo',
+           'AccessInfoV2',
+           'AccessInfoV3',
+           'create']

keystoneauth1/access/access.py

@@ -17,14 +17,20 @@
 import functools
 
 from keystoneauth1 import _utils as utils
-from keystoneauth1 import service_catalog
+from keystoneauth1.access import service_catalog
-from keystoneauth1 import service_providers
+from keystoneauth1.access import service_providers
 
 
 # gap, in seconds, to determine whether the given token is about to expire
 STALE_TOKEN_DURATION = 30
 
 
+__all__ = ['AccessInfo',
+           'AccessInfoV2',
+           'AccessInfoV3',
+           'create']
+
+
 @utils.positional()
 def create(resp=None, body=None, auth_token=None):
     if resp and not body: