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.
Cleans up chem dispenser code by taking out the unused broken_on_spawn var. And frankly, if we wanted that feature, it would be done in other way.
Removed pure laziness comment line
Optimized pulse reagent checking a little.
Merge pull request #6085 from faerindel/chemdispenser_cleanup

Little cleanup on Chemistry-Machinery
should fix #6099
Fixes wizard's mutate lazers not working
Merge pull request #6092 from comma/master

Optimized pulse reagent checking a little.
Merge pull request #6103 from Walter0o/water_fix

should fix #6099
Merge pull request #6109 from Kelenius/OfEyesAndLazers

Fixes wizard's mutate lazers not working
Fixes #5984 by having ED-209s now pass through each other.
One can now update crew record photos using a security console.
Can again create newfeeds.

sanitizeSQL returned nothing most likely because the input more often than not is not proper SQL.
Removes the check and replaces strip_html_simple with strip_html to match all other sanitizing calls in the class.
Space carp inflict damage to obstacles every 14 seconds
Hostile mobs break windows in reasonable order
Fixes #6130

The construction outpost now has an air supply and rudimentary distribution system.
Glass and wood stacks are filled to their max stack sizes, 50 and 32 sheets respectively.
Ghosts can now teleport to Z-level 4.

There are now special air alarms which do not broadcast their alarms. These are used in the mass driver areas to let crew know when it's safe to use them again.
These air alarms have also been installed in the Research isolation cells to finally allow scientists to check what's up, at least as long as they are in there or have AI assistance.
Adds a brief description on how to use the department and other channels on join.
Atmospherics computer now displays a sorted list of air alarms