Added and revised French translations
Fix typos in French translation
Added line break in long message

Workaround for issue #252
Further tweaks for French translation
Merge branch 'master' into French translations

Conflicts:
	fr.lproj/Localizable.strings
French translation: keyfile = fichier de clé

- Added 2 missing translations
- consistent use of 'clé' instead of old-fashioned spelling 'clef'
Merge pull request #260 from dregad/patch-1

Added and revised French translations