Modified the disposals and toxins mass drivers to be ZAS-compatible.

A window allows the contents of the mail chute to be viewed from the cargo desk, preventing abandoned deliveries.
Merge pull request #2415 from RavingManiac/bleeding-edge-freeze

Modified the disposals and toxins mass drivers to be ZAS-compatible.
tweaks to eftpos, re-applied mapchanges (eftpos scanners placed in civilian departments, atms placed in main hallways, account databases placed)

Signed-off-by: Cael_Aislinn <cael_aislinn@yahoo.com.au>
Merge branch 'bleeding-edge-freeze' of github.com:caelaislinn/Baystation12 into bleeding-edge-freeze

Conflicts:
	code/WorkInProgress/Cael_Aislinn/Economy/EFTPOS.dm
	icons/obj/device.dmi
	maps/tgstation.2.1.0.0.1.dmm

Signed-off-by: Cael_Aislinn <cael_aislinn@yahoo.com.au>