Update VE core submodule to master (59a25cb)

New changes:
5e35cc0 ve.Filibuster: Scrupulous state logging
82961d0 Re-sync bin/update-oojs.sh with equivalent script in MediaWiki core
2b540a7 Don't blank .static in ve.dm.Document
cfbb0e6 Update OOjs to v1.0.12
59a25cb Update OOjs UI to v0.1.0-pre (944c47c5fe)

Change-Id: I4713b73a7897c54da30db32db0ac66e8bcc1b208