Added changeling shields and armor.
Minor shit related to changeling mutations i don't exactly know what.
keeping comments up-to-date is v important :v
fixes typos
Adds sprites to ling armor & shields.
Merge branch 'master' of https://github.com/tgstation/-tg-station into changelingshieldsandarmor

Conflicts:
	icons/mob/head.dmi
	icons/mob/items_lefthand.dmi
	icons/mob/items_righthand.dmi
	icons/mob/suit.dmi
	icons/obj/weapons.dmi
Stops players from seeing the coder conspiracy
Merge branch 'master' of https://github.com/tgstation/-tg-station into changelingshieldsandarmor

Conflicts:
	code/modules/clothing/head/helmet.dm
	icons/mob/items_lefthand.dmi
	icons/mob/items_righthand.dmi
forgot to save :^]
Merge pull request #3363 from Miauw62/changelingshieldsandarmor

Organic Shields and Chitinous Armor for lings!