VAD properties in Ekman2VAD

We're using "V" "A" "D", when we should be using the appropriate names in the vocabulary.

"onyx:hasEmotion": {

    "@id": "_:Emotion_1488974141.6153605",
    "@type": "emotion",
    "A": 7.22,
    "D": 6.28,
    "V": 8.6

},
"prov:wasGeneratedBy": "plugins/Ekman2VAD_0.1"