Hardball Capital, owners of the soon-to-be-former Savannah Sand Gnats, have a new name for the "new" team after its move to Columbia, S.C. on the conclusion of this season: The Columbia Fireflies.As announced by Minor League Baseball, "The primary logo is an iconic representation of the firefly," according to Hardball CEO Jason Freier. "We've got the silver wings, we have a luminous neon flame at the base of the abdomen.…