2.0 - DK2 support with SDK 0.4.2

A full rewrite using positional tracking with the DK2 and OVR SDK 0.4.2.

1.0.1

Starts up in Rift display mode in the single monitor case, so mirrored displays will work out of the box.

1.0

Initial release. MacOS version built without Hydra support - does anyone know if there is a working MacOS version of the Sixense SDK?