vending system that use granular stock boxes
New system based on restocking points rather than fixed inventory.
More code, vending machines cannot dispense while they are unscrewed. (might remove that)
Only the dmi files are missing now.
Merge branch 'master' into vending-reloadedB
Some extra comments and an extra check for unscrewed panel
Added the icons in an independent dmi.
Fixed paths for icons.
Added "in hand" icon to items_righthand.dmi for the restocking units

Added changelog
Corrected typos and cleaned out description
ADDED missing left_hand.dmi
Merge branch 'master' into vending-reloadedB
ADDED costume restocking unit
REMOVED many useless comments
ADDED invoke vending_refill consutructor superclass

ADDED: Cargo can order the autodrobe supply crate
Merge pull request #1798 from kyrahabattoir/vending-reloadedB

Vending reloaded!