Hydro tweaks, fixes #6808
Fix AI PDA showing tap messages
Changed the wording of the sniper rifle/binoculars zoom messages.

Updated changelog.
another minor change to the sniper rifle zoom message
Merge pull request #6816 from GinjaNinja32/pda

Fix AI PDA showing tap messages
Merge pull request #6817 from RavingManiac/master

Changed the wording of the sniper rifle/binoculars zoom messages.
Merge pull request #6809 from Zuhayr/master

Hydro tweaks, fixes #6808
Ghost following double-click fix
Toxin mixing room gas monitor

The toxin mixing room now has a monitor computer to allow scientists to check gas composition, pressure, and temperature inside both sections of the gas chamber.
Added a few more warning signs. Made a sign outside the HoP's office stop lying by re-electrifying the window grills.
Also warning stripes.
Catwalks too.
Merge pull request #6819 from GinjaNinja32/ghostfollow

Ghost following double-click fix
Fixes extinguisher blasts (and effect/effects in general, like smoke) not being able to pass over tables and through grilles.
fixes some annoying punctuation errors.
Mirror Science

Future science to explain magic hair-corrective abilities.
silly me
Merge pull request #6825 from PsiOmegaDelta/Toxins

Toxin mixing room gas monitor
Merge pull request #6828 from Glloyd/formatting

Fixes some annoying punctuation errors
Merge pull request #6827 from Glloyd/pass

Fixes effect/effect and Children Not Passing Over Tables/Through Grilles
AI emotions and status displays

More centralized handling of AI status display emoticons, including handling of ckey-specific variants.
Breaks out the AI-specific implementation of status displays to its own file.
The AI can now also set individual statuses for its status screens by clicking them.