Probable fix for deadchat randomly breaking.

Signed-off-by: Mloc-Argent <colmohici@gmail.com>
Fixes a derp with the insulation code.
Merge pull request #3525 from Segrain/master

Postmerge mapfixes.
Merge pull request #3524 from SkyMarshal/airfixes

Fixes a derp with the insulation code.
Merge pull request #3523 from Mloc/dsayfix

Probable fix for deadchat randomly breaking.
Possible fix for deadchat runtime.
Merge pull request #3528 from Zuhayr/master

Subtype speech fix.
Merge branch 'master' of https://github.com/Baystation12/Baystation12
Fix for subtypes of X mob not being able to understand each other.
Holodeck exploit fix.
Merge pull request #3532 from Zuhayr/master

Holodeck exploit fix.
Lost-in-merge fix, again.
Fix for #3535.