Updated NSIS japanese translation by hashimoto.
Add ommitted string in the NSIS translations.

Conflicts:
	src/windows/installer-translations/spanish.nsi
	src/windows/installer-translations/spanishinternational.nsi
Updated NSIS arabic translation by SDERAWI.
Updated NSIS norwegian translation by tomaso.
Updated NSIS norwegian translation by tomaso.
Updated NSIS galician translation by marcos.
Updated NSIS portuguese translation by marques.
Updated NSIS basque translation by aramendi.
Updated croatian translation by delakroa.
Add Russian NSIS translation
Update lithuanian.nsi
Fix compilation under gcc.
Use number-aware sort in transfer list
Move number-aware comparison logic into misc class.