Updated mediawiki/extensions
Project: mediawiki/extensions/ZeroRatedMobileAccess  2a5860eca764f0888b4d23adc3249ba276bd9a60

Added don't ask again button & cleaned up handling logic

* Added "don't ask again" button to the js confirmation screen
* Substantially rewrote js handling logic (cleanup)
* Removed legacy URL confirmation URLs handling

Change-Id: I402544e823259923276f856137e6a0177d94cd3c