Updated mediawiki/extensions
Project: mediawiki/extensions/VisualEditor  9a96f894ff3396b5606ba31bc691b7bad737e801
null
Node cleanup

ve.Node.js
* Removed unused emitUpdate property
* Made traverseUpstream a dynamic method rather than static

ve.ce.Node.js, ve.ce.Surface.js
* Updated calls to traverseUpstream

Change-Id: I28a2dac61aa32668d35854fbdb7712401c42336a