Added handling for space travel/stragglers.
Now new empty space levels are created if needed.
Added config option to use overmap system, ticked files in.

Conflicts:
	code/setup.dm
Added caching of zlevels.
Currently only condition to cache them is lack of client mobs there.
Updated templates for nanoUI changes.
Hazardly low pressure induces OxyLoss up to 55 points
Fixes #6163

* Rounded res.amount to keep the fabricator from dispensing non-integer numbers of stacks
* Added a check to prevent stacks of < 1 from being put into the fabricator
Merge remote-tracking branch 'upstream/master'
emergency HTML/JS injection fix.
sanitation of status display input was missing everywhere.
Merge pull request #6195 from Walter0o/injection_fix

emergency HTML/JS injection fix.
emergency HTML/JS injection fix MK2, the underping.

fixes a minor oversight in proc order after i shuffled them around.
Merge pull request #6186 from Kilakk/master

Fixes #6163
Merge pull request #6196 from Walter0o/injection_fix

emergency HTML/JS injection fix MK2, the underping.
Fixes "Do not allow use of items" option doing nothing.
Probably was lost during move to new clicking system.
Made portals clickable
Tape now does not stop anything like magical wall it used to be.
If someone with no access walks through it, it adds his fingerprints/fibers, gives him an omnious message and crumples the tape.
Merge pull request #6205 from Kelenius/OfPortalsAndHands

Made portals clickable
Merge pull request #6201 from comma/autoaimfix

Fixes "Do not allow use of items" option doing nothing.
Mobs now requires 15 units of storage in a locker to fit. Allows two mobs in a single typical locker.
Nerfed celldrain/charge to a limited range and stopped anomaly effects from spamming synthetics
Fixed matches and candles not being able to burn papers. Also made Diona join prompt appear for a bit longer.
Re-arranges areas

Less emergency shutters dropping due to alarms in adjacent but connected rooms. Primarily affects security.
Main hallways are now less jagged, making fire alarm/emergency shuttle flashing look better.
Replaces the chief engineer/head of security areas with the existing crew_quarter variants as these are rad-storm protected (and are likely to contain SSD crew).