259e6e46adb7a67eb63715e639a32fc5a5646487
It worked in Chrome because Chrome appears to magically infer some missing arguments to methods. This is the second time this happened, should be more careful about it in the future, because it causes confusion when features work for some students but not others.
version is required http://gembundler.com/man/gemfile.5.html, this was causing rvm to return non-zero and thus causing the create-dev-env.sh script to fail
See doc/ for documentation.
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