Re: [sensors] Provide the DeviceOrientation sensor

For basic use-cases we can add predefined set of orientations 
@pozdnyakov wdyt?

```
enum Orientation {
 "Portrait",
 "PortraitFlipped",
 "Landscape",
 "LandscapeFlipped",
 ....
};

interface DeviceOrientation : Sensor {
   // 4x4 rotation matrix
   void populateRotationMatrix(Float32Array);

   // populates quaternion [cos(θ/2), x*sin(θ/2), y*sin(θ/2), 
z*sin(θ/2)]
   void populateQuaternion(Float32Array);

   // For basic use-cases
   readonly attribute Orientation orientation;
};
```

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Received on Wednesday, 1 March 2017 14:21:18 UTC