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.
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
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.
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.
Fixes tank dispenser sprite not updating icons when a tank is added
Fixed police tape not going in tactical combat belts
Fixed xenobiologist having no preview clothes in character setup
Improved anomaly chat message cooldowns.