Nightingale is currently available in 59 languages based of Songbird langpacks hosted and translated here: http://translate.songbirdnest.com
We are currently working on hosting the translation of our app on Babelzilla/Transifex.
Check with Goofy on how our langpacks could be hosted at Babelzilla
Check the jar support; Do a test not supported for large files
Make scripts to be able to download/upload all langpacks and update the XML file
Host translation on GitHub (synced with Babelzilla).
Ask on how comments are handled at Babelzilla
Track changes on Songbird L10n (GitHub + RSS feeds)
Impact each en-US file modifications to others locales
Prefixed strings discussed to be removed:
(not sure which files use them) 14 strings