Unarmed weapons + stabbing + claw mutations
Disallows bio_cqb to buff claw stabs
Ditto for cutting weapons
Actually disabling it
Allow offhand claws to boost damage
Add obsolete field to modinfo, preventing marked mods from being loaded or displayed.
Mark some mods as obsolete.
Actually allowed offhand claws
Adds missing recipe.

We have this royal beef stuff in the comestibles file, yet there's no
way to access it. This fixes it.
More item descriptions
Continuous recipe learning
Prevent negative fatigue from heating the player up.
Merge branch 'unarmed-weap-stabcut' of https://github.com/Coolthulhu/Cataclysm-DDA into merge
Merge branch 'missing-recipe' of https://github.com/Rivet-the-Zombie/Cataclysm-DDA into merge
Merge branch 'item-desc' of https://github.com/Coolthulhu/Cataclysm-DDA into merge
Merge branch 'book-learn-recipe' of https://github.com/Coolthulhu/Cataclysm-DDA into merge
Merge branch 'fix-caffeine-overheating' of https://github.com/kevingranade/Cataclysm-DDA into merge
Merge branch 'fix-mutation-activation' of https://github.com/kevingranade/Cataclysm-DDA into merge
Fix minor typo.
Set saline to use the first aid skill to remove the skill gap so that players don't purposefully injure themselves to train the skill. This does not impact any recipes because salt water is always usable as a substitute in them when players just want to use the cooking skill.