Admin requested addition of a global dsay toggle.
fix for muting deadme as well.
Merge pull request #4323 from DJSnapshot/hotfix

Admin requested addition of a global dsay toggle
Fixes an error with the explosions-deleting-zone-air detection.
Merge pull request #4330 from SkyMarshal/patch-6

Fixes an error with the explosions-deleting-zone-air detection.