Revert the last 5 changes, as they were accidentally pushed to master
Revert "remove redundant require from messages.js"

This reverts commit 9c5fc9fad1e1cacbd157935fcaaadfde2f5d2d20.
Revert "adding basic styling to level completion modal"

This reverts commit 3f05210f58d74751e5229236d4f50b78ae88784f.
Revert "Add generated code in JS to level completion modal (sans styling)"

This reverts commit f54fee7a15352296ecea4bb53b1f45f30e7e9140.
Revert "require messageformat when exporting localized message functions; adding LoC generated feedback on level completion modal"

This reverts commit d3408f2172e5485da0ca87262af38bbbd357b62b.