Valve has announced the first 3 winners of the Dota 2 Polycount Contest. Head on over to their blog post for full details, or visit the threads for the 3 winners in our forum. The first 3 winners announced for the Dota 2 Polycount Contest are: * DRa90NBoi's 'Nightshade' for Templar Assassin * Beats' 'Riftshadow Roamer' for…