Hi from 2017. I came across this post, and wanted to add another approach for future readers.
Maya has a set of free, downloadable 'Bonus Tools' that are available in their App Store. The package has animation and UV tools (including 'reverse animation'), along with a bunch of potentially useful stuff. Current Autodesk download link is here:
https://apps.autodesk.com/en/Detail/...50172702393827