Update VE core submodule to master (85a059e)

New changes:
3f5029c Add a secondary label (Edit) to ContextItemWidget
807d377 Update OOjs UI to v0.1.0-pre (cc3c62607c)
45d82b6 Localisation updates from https://translatewiki.net.

Change-Id: Ie3104507d188ac8d3c45698bfd345c3c1146a938
Merge "Update VE core submodule to master (85a059e)"