[TEMP] NuVotifier for API7 (1.12.1+)

As of today, 8/29/2018, curscascis says his Serious NuVotifier and SeriousVote plugins are up to date, actively maintained, and working for Sponge APIs 4, 5, 6, and 7. He also says that anyone who needs help should contact him using the Discord he links to on his SeriousVote page.