I have updated my farming build for patch 3.0 and wanted to share it for those that still need a good farming setup. This setup consists of an updated fortune bringer build and a rogue hireling dealing fire damage with crushing flames. Stats when played on mythic 3 difficulty is 1012% gold find and luck, 350% item drop rate and a crazy good 27.9 pickup radius. All the main farming affixes are included (crystalline, nadroji, eternalized and either mythical or nadroji bonus). This setup can farm floor 1000m3 with ease (I still recommend farming floor 500m3 instead though). Set the hireling to follow you at 15 yards and he should rarely die. All you have to do is hold the knights charge button and zip around the dungeon and hit the taunt button to gather the mobs.
Note that on the warrior there are two helmets, one for when you are farming mythics, and one if you are farming rare legends or want more rare mob spawn.