FLOWERY BRANCH – The second day of the NFL Draft has come and gone, and the Atlanta Falcons were finally able to make their selections. Ian Cunningham was all smiles after his draft haul, bringing in cornerback Avieon Terrell and Zachariah Branch with picks 48 and 79.  What are the major takeaways from Day 2? Falcons OnSI put together some quick thoughts.  The Falcons’ Secondary Is Locked Down The Falcons hit a jackpot with the drop of Avieon Terrell. The Clemson product, and younger brother of Falcons’ All-Pro cornerback A.J. Terrell Jr., was a perceived first-round talent. He started 31 straight games and led the team with passes defended in each of the last two years.  He has a nose for the football, and his eight forced fumbles are a program record for a defensive back.…