Allow Hacking 0.7.x or later

Allow newer versions of Hacking as well,
which permits further checks to be used for gating.
Suppress H202 for now to pass tests.

Change-Id: I75ab26df94b5dd8b8b05f4ada2ca6831d8584a75

test-requirements.txt

@@ -1,5 +1,4 @@
-hacking>=0.5.6,<0.7
-
+hacking>=0.5.6,<0.8
 coverage>=3.6
 discover
 fixtures>=0.3.12

tox.ini

@@ -27,8 +27,9 @@ commands = python setup.py testr --coverage --testr-args='{posargs}'
 downloadcache = ~/cache/pip
 
 [flake8]
+# H202: assertRaises Exception too broad
 # F821: undefined name
 # H304: no relative imports
-ignore = F821,H304
+ignore = F821,H202,H304
 show-source = True
 exclude = .venv,.tox,dist,doc,*egg,build