Merge pull request gitpython-developers#202 from hashar/tox

tox commands now have {posargs} as argument

Author: Byron

tox.ini

@@ -2,15 +2,15 @@
 envlist = py26,py27,flake8
 
 [testenv]
-commands = nosetests
+commands = nosetests {posargs}
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
 
 [testenv:cover]
-commands = nosetests --with-coverage
+commands = nosetests --with-coverage {posargs}
 
 [testenv:flake8]
-commands = flake8
+commands = flake8 {posargs}
 
 [testenv:venv]
 commands = {posargs}