Adds *6* approved custom items to code

http://baystation12.net/forums/viewtopic.php?f=33&t=10218 for Matthew951's item.
http://baystation12.net/forums/viewtopic.php?f=33&t=10333 for Mewth's item.
http://baystation12.net/forums/viewtopic.php?f=33&t=10517 for Ziepeso's item.
http://baystation12.net/forums/viewtopic.php?f=33&t=10561 for Paradoxon's item.
http://baystation12.net/forums/viewtopic.php?f=33&t=10564 for Solaruins' item.
http://baystation12.net/forums/viewtopic.php?f=33&t=10609 for Raptor1628's item.

Paths are as follows:
/obj/item/device/kit/fluff/hook
/obj/item/clothing/tie/fluff/radi
/obj/item/weapon/lighter/zippo/fluff/janis_godmanis
/obj/item/clothing/ears/fluff/qokkri
/obj/item/device/kit/fluff/salvage
/obj/item/clothing/under/rank/security/fluff/ronan_harper