Add py.test settings
Add py.test settings

We add _trial_temp to ignores because now we run the Twisted test suite as
part of tox, py.test tries to recurse into it.

We also require py.test 2.8.2 because older version don't properly handle
deprecated_call which we use.

mitghi/pyopenssl,reaperhulk/pyopenssl,aalba6675/pyopenssl,mhils/pyopenssl,mitghi/pyopenssl,hynek/pyopenssl,pyca/pyopenssl,reaperhulk/pyopenssl,aalba6675/pyopenssl,r0ro/pyopenssl,r0ro/pyopenssl,hynek/pyopenssl,mhils/pyopenssl