PRESS PHOTOS BY APRIL PETERSONThe Emmaus skyline permanently changed July 6 when demolition crews razed Thaddeus Stevens Elementary School, 1134 Pennsylvania Ave. The school, built in 1930 according to Lehigh County assessment records, was vacant when it was purchased by publishing company Rodale Press and re-purposed. The building, situated on just under two acres, sold for $161,000 in 1980 to