Updated mediawiki/extensions
Project: mediawiki/extensions/TimedMediaHandler  29f06610ee9421593e04bfde3f0ff6a5d8a72d05

Tune Special:TimedMediaHandler

- refine caching, cache mimetype lookup for longer
- return more transcodes per group(30->50)

Change-Id: Icb114bda850a123d02de8ebc9f5788f261f683a8