Send listings to reporter@jamaicaplaingazette.com. Note: 617 should be dialed before numbers below, unless another area code is given. Meetings JP Problem Properties Committee, first Wednesday of the month, 10:30am, E-13 Police Station Community Room, 3347 Washington St. Info: Liana Poston, 722-2060. Parkman Playground Community Meeting, Thurs. Apr. 27, 6:30-8pm. Roxbury Prep Charter School. 86...