Fixes a few issues with get_wound_type()

Fixes damage causing "healing" wound types that can't bleed.
Fixes flesh wounds not bleeding the instant they heal any damage.
fixes #5964
Saves 8 MB from the data download. Sorry, Snapshot!
Fixes #5974

- Fixes possible disappearance bug for Laptops
- Fixes breathing not producing CO2. This applied to humans (untested for other races, but probably the same)
N2 buildup fix attempt. Putting this into separate commit in case it's not wanted.

- Right now, air consists of 20% O2 80% N2 (approx.). Breathing takes O2 and turns it into CO2. CO2 gets scrubbed. Pressure drops, vents refill with air which again contains 80% N2 20% O2.
- This means that only 20% of breathed-out oxygen is replenished. Rest is replaced by N2. In large areas, such as Bar, with many mobs this can eventually lead to dangerous atmosphere status.
- This fix, while OOCly slightly unrealistic handles this issue by turning both O2 and N2 into CO2. Tested in CE's office with 5 human mobs without active scrubbers. Air lasts for 2~ hrs. Larger areas of course last significantly longer.
removes unused AI text2speech files and code,
saves about 4.5 MB traffic per client.
More proximity fixes
Moved all shard code to one file. Fixed #5992
Oops, forgot the dme.
Use \the macro
Fixes infection fever causing burn damage
Fixes burn description saying it is salved when not
Revert "N2 buildup fix attempt. Putting this into separate commit in case it's not wanted."

This reverts commit e8a7b58affde1dd75e8923802559e18f0e8e454b.
Logs finishing tank transfer valve bombs and ghosting. Changes pAI request
to state the name of the inquirer.
Fixes rejuvenation ignoring infections
Merge pull request #5975 from Asanadas/master

Saves 8 MB from the data download. Sorry, Snapshot!
Merge pull request #5976 from atlantiscze/laptop-opening-fix

Fixes #5974
Merge pull request #5981 from Walter0o/sound_removal

removes unused AI text2speech files and code
Merge pull request #5972 from Walter0o/psu_fix

fixes #5964