Fixed Xeno-Arch Chem-Dispenser

Admin request as well as overwhelming support on a thread.
http://baystation12.net/forums/viewtopic.php?f=5&t=9306

I've seen Admins fix this everytime someone asks so going to just save them the trouble.
SPACE2TAB modules/projectiles/guns/energy/special.dm

No changes other then space2tab is done in this commit.
Merge pull request #4302 from Ccomp5950/mouse_antagHUD

AntagHUD restrictions, disallow players becoming mice.
Merge pull request #4281 from Ccomp5950/chem_fix

Fixed Xeno-Arch Chem-Dispenser
Merge pull request #4303 from Ccomp5950/supermatter

Supermatter update.
Removes the second holywater

Deletes the second kind of holy water that doesn't do anything. Lemme
know if I should do the opposite of this.
Tweaks homunculi

Makes them a bit creepier, and makes it so they don't spawn with
underwear. Because really, if the rune spawns anything, it should be
robes. But that would make things too easy.
Merge branch 'dev' of https://github.com/Baystation12/Baystation12
Removed book that causes braindeadness

Choosing a certain religion name and/or deity causes player to start out with 100 brain loss.  Removed that.
cable and disposals icons for multi-z
Update Functions.dm

ZAS adjustments
Update ZAS_Zones.dm

ZAS adjustments
Update lattice.dm

allow lattices to exist on open space
Update cable.dm

cable construction
Update power.dm

powernet connection for z-levels
Update turf.dm

preventing space being made and immediately changed to open space
Update construction.dm

dispensing new pipes
Update pipe_dispenser.dm

dispensing new pipes
Update disposal.dm

new disposal pipes
Update disposal-construction.dm

new pipe construction