If you want to have locales in your instance of input do the following:
svn co https://svn.mozilla.org/projects/reporter/locale cd locale ./compile-mo.sh .
To update the localizations do the following:
pushd locale svn revert -R . svn up popd ./manage.py extract; ./manage.py verbatimize --rename; ./manage.py merge pushd locale svn commit -m 'Extracted strings' popd