update android examples
Update README.md
Documentation changes
Merge branch 'master' of https://github.com/benbahrenburg/Utterance

* 'master' of https://github.com/benbahrenburg/Utterance:
  Update README.md
Update README.md
Update README.md
Update README.md
Update index.md
Update index.md
Fix Speech To Text when no input found
add method to check if language is available
Start of an idea on how to tell if data is TTS data is missing
PoC for Installing TTS data
Add more error handling