Storage Slots for Suits

This adds storage slots to certain suits. You can click on them, and it opens up two storage slots, like you would see in a backpack or what not. They can only hold small items, like cigarette packages or lighters. At the moment, this only changes the detectives suits, and the lawyers two suits. But the system is easily expanded to include any suit. The reason so many files are changed is because the paths on the suits are changed to /obj/item/clothing/suit/storage/. To add this functionality to any suit, simply change its path to /suit/storage and it'll work.