Forget spring – summer’s in the air. Reports have been trickling in that deck furniture is coming out of storage and umbrellas are snapping open on patios all over the city – which means it must be time to launch the BostonChefs.com Outdoor Dining Guide. We’re not sure everyone on the list has opened up their al fresco space yet (though we have heard from Bella Luna, Coppa, Eastern Standard, Forum, Marliave, Myers + Chang, Oleana, Sam’s, Tastings Wine Bar & Bistro Temazcal and Toro) so it’s worth a call first, but check the list, pick your spot and get out there before the weather gets all March-ish again.