QUEENS FOR A YEAR, a derogatory reference for female soldiers, is an earnest but unfocused play, in its world premiere at Hartford Stage, about the pain and valor of women Marines. Set in 2007, officer Molly Solinas, fifth generation female marine, befriends private Amanda Lewis, after Amanda reveals she’d been raped by a male grunt while in service in Iraq. After Molly concludes military justice is elusive for Amanda, the two seek refuge in Molly’s family cabin, inhabited by