Makes paramedic station its own area

- Added new area 'Paramedic Station", named "paramedics" in the code
- Added a sprite for it
- Added an APC to the paramedic station and changed the area to the new
one
Hopefully fixes staff of changed slimes who have split not having universal speak.
Updated changelog including the staff of change slime fix.
Adds new service channel (:d), brings back colored channels

- Added new service channel for the bartender, chef and botanists
- Added new service headset and service encryption key
- Made all three jobs start with said headset
- Cleaned up unneeded leftovers from old mining and QM channels,
including commented parts
- All the department channels now use their custom color in the
stylesheet instead of a common one

Service channel is light blue, frequency 134.9.
Emitters and subtype use dumbfire, refactor again the process.
Remove some lines.
No need to reset if the pool is full.
Invisibility = 101, parent container.
Merge pull request #958 from ESwordTheCat/nBcWve1s

Emitters and subtype use dumbfire, refactor again the process.
Merge pull request #959 from Rei1226/rei24

Medbay tweaks
Merge branch 'Sjhonkster-Bleeding-Edge'
Hopefully makes map mergeable automatically again

If you like a change Rei pls don't make it unmergeable next time
Maybe fix new players from hearing whispers in lobby.
Fixes changelog

Because it's a mess, Sj you slut
Makes map equal to Bleeding-Edge's

Fuck github
Merge branch 'Duns_paramedics' of https://github.com/Duny-/vgstation13 into bleedingmerge
Here we go again
Merge pull request #960 from Duny-/bleedingmerge

Makes paramedic station its own area, github is dumb as fuck edition
Merge branch 'Bleeding-Edge' of https://github.com/Duny-/vgstation13 into Duns_service
Map modifications to integrate service channel

- Added server for the service channel
- Moved the blackbox recorder to telecomms to preserve symmetry and
because it should be there in the first place
- Added spare service headsets, 1 in bar, 1 in kitchen backroom and 3 in
the botany closets