The Whale’s Tooth Pub in Lincolnville Beach has been sold, more than a year and a half after it closed down, documents show. The property, originally listed at $1.5 million, was bought for $950,000 by Checkers LLC, a corporation with a Boston address, according to documents filed with the state. The pub’s sale is the latest change for the small beachside community which, in recent years, has seen its iconic Lobster Pound restaurant badly damaged…