Merge remote-tracking branch 'upstream/dev' into TheGreatEvents

Conflicts:
	code/global.dm
Completes the basic random event manager.
Medbay Areas

Breaks the medbay hallway down into smaller areas.
Reduces the headache caused by breaches.
Merge pull request #6961 from GinjaNinja32/phoronspecial

Fixes Toxins Special having no sprite
Merge pull request #6965 from PsiOmegaDelta/Supply

Service personnel radio frequency
Merge pull request #6922 from PsiOmegaDelta/TheGreatEvents

Random Event Overhaul
Changelog update.
Fixes #6957
Fixes #6967

Virologists now only spawn with 1 survival kit.
Fixes #6940

Empty lines will not appear in cloning records anymore.
Fixes #6976

Sterile Masks now work with the custom loadout.
Fixes #6831

Observing people with oil-stained clothes no longer states that they're
blood-stained.
Central Command Summary Filter

Strike team leaders had their own special role which occasionally could make them end up in the Central Command summary.
Removes reference to "THE" Syndicate.
Merge pull request #6972 from PsiOmegaDelta/Change

Changelog update.
Merge pull request #6970 from PsiOmegaDelta/MapityMap

Medbay Splitup
Borers can now cancel out from injecting chemicals.
Adds sprites for lemon-lime soda, grape soda in a glass, and coffee.
Changed glass to cup for tea and coffee to make the sprites more consistent.
Merge conflict resolution.
Compile issues with the merge. PDA tapping may be broken for pAIs.