Hornets, Rockets, Nets, and Pacers complete a 4 team, 5 player trade A 4 team, 5 player trade has added a shake up to an already free agent madness. The Deal: Hornets Trade: G Darren Collison, and F James Posey Hornets Acquire: G/F Trevor Ariza Pacers Trade: F/C Troy Murphy Pacers Acquire: G Darren Collison,…