Recipes can be learned from books now
Add a craftable item mod that doubles battery capacity of tools

You can learn the "extra battery mod" recipe from "What is a Transistor?" and "Advanced Electronics". Requires Electronics 3+ to learn.
Addictions can be configured in professions.json
Fixed bug in construction menu
Make foods in containers use their own age to show rotteness, not
the age of the containter. Fixes #491
Attempt at making the construction menu more readable.
See issue #462
Dissarming a crossbow trap will drop crossbow bolts.
Triggering crossbow traps now gives only one bolt.
map::spawn_item() will now correctly set charges for single objects.
Disarmed crossbow traps now only drop one bolt
Encumberance decriptions now determine the correct sign using the '+' tag.
Make scooters spawn with small wheels. Closes #497
Add ability to learn recipes from books, and an extra battery mod for tools that uses it for its construction recipe.
Addictions can be configured in professions.json and move addiction mechanics to dedicated module.
Make addictions in professions optional.
fergus-dall megamerge
Added addiction.cpp to project file.
Merge remote-tracking branch 'dda/pr/494' into dda-master
Add pointy stick as a tool to cooked meat/veggies

Two of the early cooking recipes expected wood spears to be easily craftable. Add pointy stick as a valid tool, as well.
Merge pull request #505 from ethankaminski/pointy-stick-recipe

Add pointy stick as a tool to cooked meat/veggies
Rebalance wood spear/javelin recipes, update fence post recipe

Couple more balance adjustments after the wood spear/pointy stick split.