* master:
  wendelin.core v0.13
  tox -= Python3.5
  Fix build for Python 3.7
  tox: ZODB5.test.util needs mock
  tox: v↑ NumPy to 2 latest releases
  bigfile/zodb: Resync _ZBigFileH to Connection.transaction_manager on every connection reopen
  t/qemu-runlinux: Issue terminal init before running program
  t/qemu-runlinux: Kernel verbosity control via -v

Let's keep on test coverage for last 2 stable Python releases.

Starting from Python 3.7 the place to keep exception state was changed:
https://github.com/python/cpython/commit/ae3087c638

NOTE ZEO4 does not wok with Python3.7, because ZEO4 uses "async" for a
variable and that breaks because starting from Python3.7 "async" became
a keyword.

After the fix wendelin.core tests pass under all python2.7, python3.6
and python3.7.

Dependency added here:

	https://github.com/zopefoundation/ZODB/commit/e0bc8bd567

If we don't provide mock, e.g. py27-ZODB5-*-zeo-* breaks:

	    def setup_module():
	        global testdb
	>       testdb = getTestDB()

	bigarray/tests/test_arrayzodb.py:38:
	_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
	.tox/py27-ZODB5-zblk1-zeo-numpy115/lib/python2.7/site-packages/wendelin/lib/testing.py:342: in getTestDB
	    testdb = testdb_factory(testdb_uri)
	.tox/py27-ZODB5-zblk1-zeo-numpy115/lib/python2.7/site-packages/wendelin/lib/testing.py:245: in __init__
	    from ZEO.tests import forker
	.tox/py27-ZODB5-zblk1-zeo-numpy115/lib/python2.7/site-packages/ZEO/tests/forker.py:29: in <module>
	    import ZODB.tests.util
	_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

	    """
	    from ZODB.MappingStorage import DB

	    import atexit
	    import os
	    import persistent
	    import re
	    import tempfile
	    import time
	    import transaction
	    import unittest
	    import warnings
	    import ZODB.utils
	    from ZODB.Connection import TransactionMetaData
	    import zope.testing.setupstack
	    from zope.testing import renormalizing

	    try:
	        from unittest import mock
	    except ImportError:
	>       import mock
	E       ImportError: No module named mock

	.tox/py27-ZODB5-zblk1-zeo-numpy115/lib/python2.7/site-packages/ZODB/tests/util.py:35: ImportError