With Jeffrey Katzenberg eventually stepping into a new role as chairman of DreamWorks Animation New Media, Chris Meledandri, who started Illumination Entertainment nine years ago, is officially and unequivocally the town’s animation czar. With the Minions and Despicable Me franchise successes alone, you could argue he already was. But after the announcement this morning of Comcast NBCUniversal’s agreement to acquire DreamWorks Animation for $3.8 billion in cash, all eyes…