The Dallas area has been hitting better than even in the openings and closings department. But when one closes...This month the new, well-reviewed "gastro-pub" on lower Greenville, Zymology, shut down. Suddenly and quietly. From all accounts, the venue proved too good for its neighborhood. The breakdown:EnteringVapiano--The German-based, Italian-kinda-themed chain in Mockingbird Station.La Calle Doce--Reopened after a devastating fire.Cobb Switch BBQ--Big names are behind this Carrollton venture