According to this article - the Unity team has a few days working with developers at the Microsoft Holographic Academy.
They told us:
Unity’s HoloLens support follows the recent announcement that Microsoft and Unity would be working together to better integrate Unity and Visual Studio. This agreement has an important impact for the many developers new to Unity looking to develop game and non-game applications for HoloLens. Increased discoverability through shared installations and new scripting templates will make creating a new HoloLens project fast and simple.