makes lighting fires during sunny days via lens possible
also adds magnifying glasses to the game
fix for mag glass
flag added to be able to use the lens_fire items without drawing charges
should fix most of the merge errors/misclicks
small description typo fix
fixed recipes file
camp fire + lens fire are long term actions
pending: unified firestarter function
unifies firestart functions from different tools.
fixes some calculation errors when lighting a fire.
also stops lighting a fire with a lens if the weather changes.
todo: recalculate time to start a fire with a lens if weather changes
typo and clarity fixes
constant checking of weather changes + updating of turns_left accordingly is
done
Fix list of missing things when repeating last craft

My fault, y &= x is obviously the same as y = y && x and that is not done at all when y is already false.
fixes some tree & shrub harvesting bugs
Made thunders not happen when the player is deaf.
Unfermented vinegar category fix
Fixes forge construction weirdness.
Merge branch 'fire-from-mag-glass' of https://github.com/jcd000/Cataclysm-DDA into merge
Merge branch 'fix-da-bug-from-wrong-tool-missing-list' of https://github.com/BevapDin/Cataclysm-DDA into merge
Merge branch 'tree-harvest-fixes' of https://github.com/jcd000/Cataclysm-DDA into merge
Merge branch 'deaf-thunder' of https://github.com/Coolthulhu/Cataclysm-DDA into merge
Merge branch 'vinegar_recipe' of https://github.com/Coolthulhu/Cataclysm-DDA into merge
Merge pull request #9567 from Rivet-the-Zombie/forge-fix

Fixes forge construction weirdness.