Added tox.ini and instructions, for easy running of tests in multiple environments

README.md

@@ -90,6 +90,11 @@ Consider any moment in life that you could have been writing **unit tests** for
 
 The easiest way to add features is to write a plugin. Please create an issue to discuss whether your plugin idea is a core plugin (`wiki.plugins.*`) or external plugin. If there are additions needed to the plugin API, we can discuss that as well!
 
+To run the tests, run "python runtests.py" after installing the requirements. Better, install "tox" (using "pip install tox") and then just run "tox" to run the test suite on multiple environments.
+
+To run specific tests, call runtests.py with the arguments that you would pass to the normal "manage.py test" command.
+
+
 Manifesto
 ---------
 

tox.ini

+[tox]
+envlist = py27-django14, py27-django15, py27-django16
+
+[testenv]
+commands = ./runtests.py
+deps =
+     Markdown==2.3.1
+     Pillow==2.3.0
+     South==0.8.4
+     argparse==1.2.1
+     django-classy-tags==0.4
+     django-mptt==0.6.0
+     django-sekizai==0.7
+     sorl-thumbnail==11.12
+     wiki==0.0.23
+     wsgiref==0.1.2
+
+[testenv:py27-django14]
+basepython = python2.7
+deps =
+     Django==1.4.10
+     {[testenv]deps}
+
+[testenv:py27-django15]
+basepython = python2.7
+deps =
+     Django==1.5.5
+     {[testenv]deps}
+
+[testenv:py27-django16]
+basepython = python2.7
+deps =
+     Django==1.6.1
+     {[testenv]deps}