Correct docs for Plugin class attributes
Fix deprecation warnings for asserts in Python 3.2+
Simplify tox config and use Python 2.7+ by default
Merge pull request #156 from jcjf/py3assert

Fix deprecation warnings for asserts in Python 3.2+.
Merge pull request #155 from jcjf/plugindoc

Correct docs for Plugin class attributes.
Merge pull request #153 from jcjf/simplifytox

Simplify tox config and use Python 2.7+ by default.
Allow unverified/external argparse for Python 2.6 and pip 1.5+
Allowing external files for the argparse package so the build won't fail.
Use Python 2.7 for non-default tox environments
Merge pull request #158 from jcjf/toxbase

tox: set basepython to 2.7 for non-default environments.
Simple spelling correction.
Merge pull request #164 from CleanCut/spelling-fix

Simple spelling correction.
Add decorator cartesian_params (resolve #162)
Add more tests for @cartesian_params
Merge pull request #165 from bayandin/cartesian-params

Add decorator cartesian_params (resolve #162)
Fix issue #166

This fixes https://github.com/nose-devs/nose2/issues/166 ("MP Plugin lockup") by sending each worker one test at a time.
Fix indentation
Windows port of bootstrap.sh. Also installs tox.
Merge pull request #174 from kurniliya/windows-bootstrap

Windows port of bootstrap.sh
Add test