Merge release/1.16.0 into master

[LartTyler]

Changelog

• Added "master" to the list of allowed armor / armor set ranks.
• Monster reward subtypes are now always lowercase values.
• Moved Weapon.attributes.elderseal to Weapon.elderseal.
• Moved Weapon.attributes.phialType to Weapon.phial (charge blade / switch axe only).
• Moved Weapon.attributes.ammoCapacities to Weapon.ammo (bowguns only).
• Moved Weapon.attributes.coatings to Weapon.coatings (bows only).
• Moved Weapon.attributes.specialAmmo to Weapon.specialAmmo (bowguns only).
• Moved Weapon.attributes.deviation to Weapon.deviation (bowguns only).
• Moved Weapon.attributes.boostType to Weapon.boostType (insect glaive only).
• Moved Weapon.attributes.damageType to Weapon.damageType.
• Moved Weapon.attributes.shellingType to Weapon.shelling (gunlance only).