Updated mediawiki/extensions
Project: mediawiki/extensions/Translate  e8d402f518e4216a107b3c3a646a6dd50601477f

Introduce FFS::getFileExtensions to aid automatic detection

Reorder isValid, supportsFuzzy and getFileExtensions to
beginning of classes.

Made IniFFS::isValid match JsonFFS::isValid

Change-Id: I25cfedbe730afecf87139d077894c15f90bce400