Lyric theatre, BelfastLisa Dwyer Hogg's crop-haired Joan is an unshakeable believer raging within a corporate world in this updated version of George Bernard Shaw's playGeorge Bernard Shaw had strong views about how his dramatisation of Joan of Arc's story should be staged, complete with its lengthy Epilogue that tested the audience's stamina. Philip O'Sullivan's new adaptation respects the play's central arguments b…