Reload the *specific* item, not the weapon.

item::reload can be called for *any* item, even those in the inventory.
Added Finnish language
German update
riot control bot
Spanish update
Finnish update
Japanese update
Korean update
Russian update
Chinese (Simplified) update
format and tweaking
handcuffs to_hit
discharge handcuffs in water, siren
NO_UNWIELD flag, handcuffs not dissappears after deactivating
Ask when step in relax gas
little patches
Merge branch 'translation-updates' of https://github.com/VlasovVitaly/Cataclysm-DDA into merge
Merge branch 'riot-control-robot' of https://github.com/HuXTUS/Cataclysm-DDA into merge
Proofreading

Great implementation, just needed some text touchups.
Miranda

Separate commit, so can be reverted if desired.