When Nashira Baril moved to Taylor Terrace just three years ago, she and her husband were drawn to the quiet dead-end row of single-family homes off of River Street in Mattapan.  A single-family and a duplex lay just beyond her back yard.  Then, in a scenario that’s playing out in neighborhoods throughout Boston, the single-family was torn down to make way for a seven-unit condo development.   Read the article……………………