More medical tweaks.

- Added advanced medkits to medical storage, ERT medical room and Nuke shuttle.
- Added death alarm implants to medical storage.
- Added stuff from advanced medkits to large NanoMeds, replaced inaprovaline syringes in small NanoMeds with autoinjectors.
- Fixed box of autoinjectors not spawning in medicine closets and containing DNA injectors.
- Adjusted moving with embedded objects.
- Added choosing injection volume to sleepers, reorganised related code.