feat(Examples): add rotation and warp locomotion
feat(Examples): add rotation and warp locomotion

The Movement example scene now has an example of how to rotate the
play area with an axis and also how to do a warp and snap rotation
movement where it moves/rotates the play area in a single jump with
a camera fade in between for comfort.

thestonefox/SteamVR_Unity_Toolkit,gomez-addams/SteamVR_Unity_Toolkit,thestonefox/VRTK