[Checkins] [zopefoundation/zope.app.wsgi] 12366e: Add support for PyPy

[GitHub]

  Branch: refs/heads/pypy
  Home:   https://github.com/zopefoundation/zope.app.wsgi
  Commit: 12366e3bb967a4576b152e6f35ee02b29d469ffc
      https://github.com/zopefoundation/zope.app.wsgi/commit/12366e3bb967a4576b152e6f35ee02b29d469ffc
  Author: Jason Madden <jamadden at gmail.com>
  Date:   2016-12-16 (Fri, 16 Dec 2016)

  Changed paths:
    M .travis.yml
    M CHANGES.rst
    M setup.py
    M src/zope/app/wsgi/README.txt
    M src/zope/app/wsgi/paste.txt
    M src/zope/app/wsgi/tests.py
    M tox.ini

  Log Message:
  -----------
  Add support for PyPy

Fixes #5

Also directly use zope-testrunner instead of redirecting through tox.ini
on travis. This lets us use travis caching for much faster test runs.