Will Johnson has lived near Garfield Park for about 40 years. So when he saw developers building new homes on his block, he was hesitant to embrace the change.But now that the homes are materializing, Johnson — who says he’s seen the neighborhood rise and fall over the years — is feeling more optimistic. So are his neighbors.“When people are set in their ways, it's hard to do new stuff,” he said. “But now that it's kicking in gear, people are li…