Updated mediawiki/extensions
Project: mediawiki/extensions/GuidedTour  2c4885f723918a9c56fb4bdccb0f42e919fffaad

Implement new, rewritten logging for GuidedTour

Schemas linked from https://trello.com/c/Ldl4pvro/423-write-schemas-for-non-linear-guidedtour:
* Schema:GuidedTourGuiderImpression
* Schema:GuidedTourGuiderHidden
* Schema:GuidedTourButtonClick
* Schema:GuidedTourInternalLinkActivation
* Schema:GuidedTourExternalLinkActivation
* Schema:GuidedTourExited

Supporting changes include:
* Adjustments to how action buttons work
* Marking which buttons are semantically links, and which are external
* Putting logging in new EventLogger class

Change-Id: I5f6615767e88d5eb0c238aee9e17f36c9b7ac4c2
Updated mediawiki/extensions
Project: mediawiki/extensions/GuidedTour  82a0efbf6af6171c52b4e4f56f9484e5b903b305

Remove guiders code that generates onclick based on button text

There was no i18n, this was not documented, and it did not fit the
rest of the architecture.

Change-Id: I87ff70394d8a23b9c2ee056afa2590687456e687