Efficiency: Added an execution room

Nothing too fancy but it'll do. Closes #23
Merge branch 'Bleeding-Edge' of https://github.com/d3athrow/vgstation13 into Defficiency
Efficiency 1.01vg

- Fixed exofabs (well, map-wise at least)
- Fixed double cover for turrets. Closes #59
- Made main AI's core OH SO SLIGHTLY more secure
Efficiency 1.02vg

- Removed chem dispenser in old medbay
- Added Nexy's soundsystem and boomboxes. Closes #57
Efficiency 1.03vg

- Added [special snowflake]'s private beach.
- Renamed [special snowflake]'s private beach to "The metaclub's private
beach".
Name change will affect tgstation too.
The metaclub is real.
Efficiency 1.04vg

- Teleporter now has rwalls
- Shoe, suit and hat vending machines added to locker room
- Nazivend added somewhere
- MoMMI spawner and cyborg recharging stations added to derelict
Efficiency 1.05vg

- Hopefully fixed all shutters being closed at roundstart. Closes #5
Efficiency 1.06d

- Made clown asteroid more clowny
- Changed bomb testing launch site, hopefully no more bombs exploding 2
meters away from it
Efficiency 1.07d

- Cleaned up mining piping
- Reinforced the research outpost and removed the minerals right next to
it as suggested in #22
- PIPES _ABOVE_ WALLS
Merge branch 'Bleeding-Edge' of https://github.com/d3athrow/vgstation13 into Defficiency
tgstation.dmm default

>3 files modified
>implying
Merge pull request #1175 from Duny-/Defficiency

It's efficiency time