Update pbr usage to modern understandings

Explicitly, d2to1 is the devil. Updated pep8 issues.

Change-Id: I35307f820a98244f5a9ae32ce01f18ce7b434c19

libra/admin_api/expunge/expunge.py

@@ -59,4 +59,5 @@ class ExpungeScheduler(object):
             except:
                 self.logger.exception('Exception occurred during expunge')
         self.logger.info('Expunge thread sleeping for 24 hours')
-        self.expunge_timer = threading.Timer(24*60*60, self.run_expunge, ())
+        self.expunge_timer = threading.Timer(
+            24 * 60 * 60, self.run_expunge, ())

setup.cfg

@@ -1,8 +1,3 @@
-[build_sphinx]
-all_files = 1
-build-dir = build/sphinx
-source-dir = doc
-
 [metadata]
 name = libra
 author = David Shrewsbury <shrewsbury.dave@gmail.com>, Andrew Hutchings <andrew@linuxjedi.co.uk>
@@ -23,13 +18,14 @@ classifier =
 packages =
 	libra
 
-[global]
-setup-hooks =
-        pbr.hooks.setup_hook
-
 [entry_points]
 console_scripts =
 	libra_worker = libra.worker.main:main
 	libra_pool_mgm = libra.mgm.mgm:main
 	libra_api = libra.api.app:main
         libra_admin_api = libra.admin_api.app:main
+
+[build_sphinx]
+all_files = 1
+build-dir = build/sphinx
+source-dir = doc

test-requirements.txt

@@ -1,5 +1,6 @@
+hacking>=0.5.6,<0.8
+
 fixtures>=0.3.12
-flake8
 mock
 python-subunit
 sphinx>=1.1.2

tox.ini

@@ -13,11 +13,8 @@ downloadcache = ~/cache/pip
 deps = flake8
 commands = flake8
 
-[testenv:pyflakes]
-deps = pyflakes
-commands = pyflakes libra
-
 [flake8]
+ignore = H
 show-source = True
 exclude = .venv,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,tests,build