soap, lube, and janitor stuff
fixes trash bag capacity
wet floor signs and advanced janitor research
sprite missing pixel and supply packs mop replacement
Changelog for janitor tweaks
removes useless spawn
removes meme
readds holosign to janicloset by default
advanced mop cleans twice as fast as the normal mop
Merge pull request #5427 from paprka/littlejanitorthings

Soap, lube, and janitor tweaks