Fixed brain surgery datum having duplicate class name.
Made brain surgery into two steps, hemostat-fixovein.
Merge branch 'bleeding-edge-freeze' of https://github.com/Baystation12/Baystation12 into bleeding-edge-freeze
Merge branch 'bleeding-edge-freeze' of https://github.com/Baystation12/Baystation12 into bleeding-edge-freeze
Made vote play alarm sound when started.
Merge branch 'bleeding-edge-freeze' of https://github.com/Baystation12/Baystation12 into bleeding-edge-freeze

Conflicts:
	code/modules/surgery/braincore.dm
Merge branch 'bleeding-edge-freeze' of https://github.com/Baystation12/Baystation12 into bleeding-edge-freeze
Merge branch 'bleeding-edge-freeze' of https://github.com/Baystation12/Baystation12 into bleeding-edge-freeze

Conflicts:
	code/controllers/voting.dm
Security wing remap.
Merge pull request #2745 from comma/bleeding-edge-freeze

Sec Wing remap