Include pocketsphinx english models in content/media/webspeech/recogniti...

This is the PR to speech enable the VR oculus gecko repo. All models, speech decoder and speech service from gecko will be applied. 

After applied, you can try it on this page [1] and say any of the commands on this list [2]

[1] http://andrenatal.github.io/webspeechapi/index_clean.html
[2] https://github.com/andrenatal/webspeechapi/blob/gh-pages/index_clean.html#L46