Airlock construction fix

- door electronics now stay on mob until fully installed
- text fix
Painkillers leave body correctly

Tramadol, paracetamol and oxy will now leave a mob's body. Fixes #5150.
Health analyzers display blood type

Saves having to mess around with your PDA during a crisis (not really,
just grab that O- bag)
Removes a single pixel from the "teacup" icon. Easy to miss in the editor as it almost had the same color as the background.
Merge pull request #5152 from sick-trigger/master

Small fixes/changes
Merge pull request #5155 from PsiOmegaDelta/PixelCup

Removes a single pixel from the "teacup" icon