'Donnybrook!,' What Have They Done to Ye?
The Irish Repertory Theatre, which last summer tinkered unnecessarily with “New Girl in Town,” has done it again. It has revived an old second-rank musical that’s nevertheless fondly remembered by enthusiasts and meddled with it so much that what’s onstage is scarcely recognizable. “Donnybrook!,” the 1961 Broadway adaptation of the John Ford film “The Quiet Man,” boasts…