Updated mediawiki/extensions
Project: mediawiki/extensions/EventLogging  e7cc84f0638436e6e46775a2b0b2557e1cb47735
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More comprehensive test coverage

- Added tests for parse failures and repr.
- Removed unused 'epoch_to_time' function from parse.py.
- Tweaked format of LogParser 'repr'
- Removed automatic test generation code with hard-coded tests :-/

Change-Id: Iee059b0f35c31cba845442d0a503e0ccc00abc80