Various fixes to get tox and verification working

The charm-helpers project moved from launchpad to github.
Create a copyright file to work around pep8 warning.
Fix keystone.service_catalog.url_for calls to use 'interface'
parameter versus 'endpoint_type'.
Add .stestr to .gitignore file.

Change-Id: I215b09b97e4cd9ebbad5dcb41a03d0c09dcfd9ef

.gitignore

@@ -7,3 +7,4 @@ deps
 .testrepository
 __pycache__
 *.pyc
+.stestr

src/copyright

@@ -0,0 +1,16 @@
+Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0
+
+Files: *
+Copyright: 2012, Canonical Ltd.
+License: Apache-2.0
+ 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.See the LICENSE file in the root directory.

src/test-requirements.txt

@@ -1,7 +1,7 @@
 # charm-proof
 charm-tools>=2.0.0
 # amulet deployment helpers
-bzr+lp:charm-helpers#egg=charmhelpers
+git+https://github.com/juju/charm-helpers
 # BEGIN: Amulet OpenStack Charm Helper Requirements
 # Liberty client lower constraints
 amulet>=1.14.3,<2.0

src/tests/basic_deployment.py

@@ -102,10 +102,10 @@ class TroveBasicDeployment(amulet_deployment.OpenStackAmuletDeployment):
         # Authenticate admin with trove endpoint
         trove_ep = self.keystone.service_catalog.url_for(
             service_type='database',
-            endpoint_type='publicURL')
+            interface='publicURL')
         keystone_ep = self.keystone.service_catalog.url_for(
             service_type='identity',
-            endpoint_type='publicURL')
+            interface='publicURL')
         self.trove = trove_client.Client(
             version='1.0',
             auth_url=keystone_ep,