Make tilray init() handle large numbers properly
Fix some (not all) leaks found by valgrind.
Generalizing line algorithms for three dimensions, refactoring.
Basic_hammering_support
Fixed so % always works on positive numbers
Merge branch 'master' of https://github.com/CIB/Cataclysm-DDA into MultiFix

Conflicts:
	src/output.cpp

Looked simple enough, just two touches next to each other.
Added myself to SIGNOFF
Merge branch 'vehicle_collision' of https://github.com/bdragon28/Cataclysm-DDA into MultiFix
Makes studying query a translatable string.
Merge pull request #6563 from Rivet-the-Zombie/study-string-translator-fix

Makes studying query a translatable string.
Merge branch 'MultiFix'
Merge branch 'update-signoff' of https://github.com/vidarsk/Cataclysm-DDA into vidarsk-update-signoff

Conflicts:
	SIGNOFF

Straightforward fix.
Merge branch 'veh-door-curtains' of https://github.com/dar-/Cataclysm-DDA into dar--veh-door-curtains
Formatting fix for broken build.

I messed up that translation tag, this fixes it.
My signoff.
Merge pull request #6565 from Rivet-the-Zombie/fix-fix

Formatting fix for broken build.
item tweaks
Rivet's paren fix
steel plates
Increase processed vehicles to 15, minor formatting