I got it working with these:
https://www.reddit.com/r/Unity2D/comments/2eeo4n/pixel_perfection_in_2d_xpost_from_unity3d/
http://answers.unity3d.com/questions/258574/perfect-square-ortho-camera.html
http://blogs.unity3d.com/2015/06/19/pixel-perfect-2d/
