This change renames directories in preparation for the great package
rename. The repository is now in a broken state because the code
itself hasn't been updated. However this should ensure that git
correctly preserves history for each file.
The payment page has also been updated to refuse to show itself if
the registrar is not set to credit card billing terms.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=117983313