[test-infra] Make readme say to use "git submodule update --init --recursive" for initial submodule init, to ensure that the user gets what's needed in nested submodules (e.g., resources/webidl2) (#608)

View on GitHub: https://github.com/w3c/web-platform-tests/pull/608

Received on Friday, 7 February 2014 09:16:56 UTC