Code for the janitorial cart. Updates some parts of the old janicart too.
Removing the janicart from the map, replacing it with the new janitorial cart.
Updates the janitor's starting equipment and his locker.

Updates the contents of the safe in the vault.
Committing the janitorial cart! Sprites not included.
Updates the mop and mop bucket code. Should work exactly the same.
Adds an exception for the janitorial cart to spray bottles.
Fixes capitalisation of the cleaner grenade.
Fixes the description.
Merge branch 'master' of github.com:tgstation/-tg-station into janicart
Updating to fit with Cheri's sprite pull.
Fixes not being able to store the mop when the cart and mop are dry.
Merge pull request #177 from Petethegoat/janicart

Replaces the janicart with the janitorial cart.