Updated mediawiki/extensions
Project: mediawiki/extensions/UploadWizard  8ebb47261df8655c349ae0eb2c1f00119cf78851

(bug 45118) really dont try to convert images

dont try to convert images even if they look like audio files.
also dont fail if file can not be parsed at all.

Change-Id: I5748e0806ada4d7f55b77bff77f621bc6586746e