Update VE core submodule to master (bb67705)

New changes:
a824357 Node method cleanups
fa4e504 Add isAllowed(Child|Parent)NodeType to ve.Node
08974ed Replace block drop logic with isAllowedChildNodeType check
5fb113e Don't focus Edit HTML on load
799d27b Create table cells with wrapper paragraphs by default
5d3b5db Localisation updates from https://translatewiki.net.
11cb975 Use hasOwnProperty instead of 'key in obj'
77e24e2 Update OOjs to v1.1.2
bd36a32 Update OOjs UI to v0.1.0-pre (12b66051ff)
f368788 Localisation updates from https://translatewiki.net.
1ee759b Fix non-linear selection handling in ce.Surface#focus

Change-Id: I89aba1cb50cda91721473c2c33b41d7b12433bd5