Pre-Build Requirement

https://gist.github.com/AaronMT/e24636478a2f38376539

export PATH=/usr/local/bin:$PATH
cd firefox-ios
carthage checkout --no-use-binaries

svn co --non-interactive --trust-server-cert  https://svn.mozilla.org/projects/l10n-misc/trunk/firefox-ios ../firefox-ios-l10n
python scripts/xliff-cleanup.py ../firefox-ios-l10n/*/*.xliff
python scripts/xliff-to-strings.py ../firefox-ios-l10n .
python scripts/strings-import.py