Updated mediawiki/extensions
Project: mediawiki/extensions/EventLogging  9b0479c332b91e4a46c4f1a5286dfccc1ea42e3d

tox: test against Python 3.2

Python 3.3 is not available for Precise, and Trusty is already on Python 3.4.
Let's target 3.2 for now to make it easy to test changes in MWV, and then
switch to 3.4 when we switch MWV to Trusty.

Change-Id: Ibcfd7594feb7e1ff0e9d461a98f51398a660be0d