* Modified the disposals room to have a crusher and a stacking machine. It will allow the crew to recycle trash items.
 * Made conveyor belts invertable, to allow you to use corner pieces that are only intended for going backwards or forwards.
 * Added a new variable for disposal outlets which let you change their throw range. Default is 2 now.
 * The crusher can now be used by a screwdriver to de-emag it.
Adds a stat check for AI vocal announcements. Fixes #1908
Moves some other checks under input, as they could change after input is done.
Viruses are less random and you can determine the level of symptom you would get. Virus food will generate low level symptoms, Mutagen will generate medium level symptoms and Liquid Plasma will generate high level symptoms.

Virologist starts with a small bottle of liquid plasma.
Filled in the gaps between the chem master with RGBA(255, 255, 255, 1) so you do not accidentally click on the floor anymore.
ChemMasters now has the green light overlay, which is only used by Pandemics but it looks better than red.
Updated changelog to a table of symptoms.
Merge branch 'master' of https://github.com/tgstation/-tg-station into virus_tweak

Resolved Conflicts:
	html/changelog.html
Fixed the greyed out portable flasher issue.
Re-fixed the flashers after breaking them
Merge branch 'master' of https://github.com/tgstation/-tg-station into virus_tweak

Resolved Conflicts:
	html/changelog.html
Renamed psilocybin to mushroom hallucinogen, removed psilocybin/mushroom hallucinogen from huge mushroom slice, removed space drugs from reishi, added anti-toxin to reishi and lowered the amount of sleep toxin in reishi.
Removed the impossible NOBLOODY flag, replaced it with a simple proc. rejects_blood()
Cult talismans now appear in your hand instead of on the floor.
Returned the amount of sleep toxin in reishi back to what it was before.
Fixes DAs not correctly getting the right traitor title before being set as a target.
Fixes Issue #1867
Reduces the amount of get_turf calls.
Removes random noises.
I found #1870 in more places.
Replaced [key_name_admin(usr)] with [key_name(usr)] in all logging, to remove href-tags from logfiles.
Fixed a mistake in newbanjob.dm

Accidently removed the href tags from an ingame message earlier.
Reverting a change I never did?
Merge pull request #1913 from WitheredGryphon/flasherBranch

Portable Flasher Fix
Merge pull request #1925 from Miauw62/talisman

Cult talismans now appear in your hand instead of on the floor.