Update VE core submodule to master (9e92194)

New changes:
e06966f Fix the newline bunny-hop bug harder
bb7afae dm.NodeFactory: Use .lookup() instead of .create().constructor
d18a33f Localisation updates from https://translatewiki.net.
fce9ad2 Check for selection in ve.ce.Surface#onDocumentFocus

Change-Id: I3dd706d956c409418c761a95cc631575fb36b8e9