Update Finnish translation

Closes #1837.
Windows Installer: include missing modules
(ffi, lfs, argcheck)
Windows Installer: use the correct name for the Galician wxstd translation file
fix bad alignment caused by @9242c9fb4703cc70e3f46874b54a08f4381bae0f
Merge pull request #24 from line0/installer-updates

Windows Installer updates
Update dependencies