Losing a Space to Soar By Yvonne Abraham | June 11, 2008 It's not what you expect to see when you step into a Catholic church these days. Demurely dressed women in lace mantillas. A priest with his back to the congregation: In nomini Patris, et Filii, et Spiritus Sancti, Amen. Bells ringing. Gregorian chant floating down from the choir loft. But here it all is at Holy Trinity German Church, on Shawmut Avenue in the South End, at the start of a sweltering Sunday. About 100 people from Bourne and West Roxbury and all over come for the 9...