Updated mediawiki/extensions
Project: mediawiki/extensions/GuidedTour  4262b1847ece0f4893e9c546c8979f47f02a31b0

Update the firstedit tour's copy

Import the English strings from
https://trello.com/c/JHImTGRz/366-update-guidedtour-with-new-copy.

Change-Id: Ie7c19e2965c99e0a2c1e8249e959ba8216d09a88