The annual Summer BCMFest on Sun., July 2, and concerts by The Jeremiahs and the Kane Sisters highlight upcoming Irish/Celtic events in Greater Boston. Club Passim’s Summer BCMFest is a daylong affair that starts at 10 a.m. with its live music brunch, featuring Irish tunes and songs by Kat Wallace and Jimmy Kelly. At 3 p.m., the event moves outside to Palmer Street, where