Updated mediawiki/extensions
Project: mediawiki/extensions/UniversalLanguageSelector  29757e88e47f52726899f52e125ec0d0395b3289

Visual indication while saving the settings

* Button label change to "applying changes"
* Button become disabled
* Cursor changes to "progress"

Bug: 53772
Change-Id: I1de459590ea9b357965a73f274d566eba8c04482