Speech Recognition Training App Iteration 3

* install of speech recognition model dependancies
* add new converter for .raw files into .mp3 for praat (optional) alignments for users who want to train their own acoustic models. https://github.com/batumi/KartuliSpeechRecognition/issues/17

![screen shot 2014-08-21 at 2 45 49 pm](https://cloud.githubusercontent.com/assets/196199/4001407/73eee676-2963-11e4-9308-9de64223e5f3.png)