update examples.js to strip the proper ref name.

[dhoizner]

Fixes #1473

I have verified that this pull request:

• has no linting errors (npm run lint)
• is from a uniquely-named feature branch and has been rebased on top of the latest master. (If I was asked to make more changes, I have made sure to rebase onto master then too)
• is descriptively named and links to an issue number, i.e. Fixes #123

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[catarak]

Thank you! Working great for me. I noticed another instance of master that you had missed so I updated that and added another commit.