Use the ANSI code page 1252 in Windows.
Add COVERED flag to vehicle parts.

Items in cargo parts without that flag can now emit light.
Cargo parts with that flag prevent any light from the items in it.

Note: Extracted the vehicle pointer in the loops to a separate variable instead of referring to vehs[v].v all the time.
Merge branch 'cargo-trunks' of https://github.com/BevapDin/Cataclysm-DDA into merge
Merge branch 'fix-locale' of https://github.com/orzogc/Cataclysm-DDA into merge