Import Chrome's tts code
Install tts dispatcher
Upgrade libchromiumcontent to f0c3a45
Upgrade brightray
Upgrade libchromiuncontent to 3245ef8
Add linux tts implementation from Chrome
Add AtomSpeechRecognitionManagerDelegate
Fix cpplint warning
Enable AVFoundation
Set google API key
Merge pull request #685 from atom/speech

Add support for speech synthesizer and recognizer