Hmm. Maybe it does need jQuery after all.

Revert "See whether MediaElement.js really needs jQuery."

This reverts commit 4de39fbc8447d30b43d8dc089c9e1127ac81fa35.
Hmm. Looks like it does depend on jQuery after all.

Revert "Looks like MediaElement.js doesn't depend on jQuery."

This reverts commit 0aa97a991070865b97e8aeec9504e019dacbb5c6.