A Honduran national grabbed three young girls’ butts in separate incidents at a Long Island TJ Maxx and was caught pleasuring himself while staring at one of the victims, police said.  Pervy Jimmy Harry Velasquez Gomez, 44, was indicted on multiple child sex-abuse charges Friday after investigators allegedly caught him on the store’s surveillance camera groping young girls between the ages of seven and 11 — in three separate encounters over a span of months.  “The charges against this defendant