This PR will lead us towards the Promised Day, for in its wake there shall be much celebration and ecstasy as this world becomes a world suitable for developer hegemony. The first strike is thusly;
All << is converted into to_chat().
changes:
Underwear has been promoted to a human layer; this might fix some potential issues with human icon caching.
turf/Entered() code has been cleaned up and proximity checks have been timerized.
Fixed an issue where openspaces wouldn't render objects that entered an openspace after init.
Shortened organ keymap prefix as it didn't really need to be that long.
* Openturf icon fixes and improvements
* more things
* Remove some pointless/bad layering/planing
* yeah well I didn't need this anyways
* Refactor Z mimickry to be at /turf
* more refactoring
* Cleanup, use turf/flags instead of z_mimic_flags
* Fix turf/Entered()
* misc optimizations
* fixes
* Major icon smoothing optimizations
* Speed up boot some more
* Fix AO
* Remove some redundant code
* Tie Z-lights to Z-mimic instead of openturfs
* Fix an opacity issue with no_mutate turfs
* Fix some issues with Z-mimic AO not properly clearing
* Fix some OT->OT changetuf bugs
* Add helpers for changing Z-mimic operational state on turfs
* Fix some merge issues, change how F_CUT smoothhint works a bit.
* indentation
* SSopenturf -> SSzcopy
