add metrics to readme
Handle failed transcriptions for CA and MO, closes #88
Merge pull request #91 from codeforamerica/handle-failed-transcriptions

Handle failed transcriptions for CA and MO, closes #88
Add screenshot to README
Merge pull request #93 from codeforamerica/add-screenshot-to-readme

Add screenshot to README
Initial failing test for language support
Extract app_spec_helper from spec_helper, create phone_number_processor and faker for it
Extract out initial messages to an abstract message generator (per language), English implemented for now but extraction done
Add Spanish support for initial text messages!
In web app, implement new StateHandler interface for language-specific transcriptions
Convert balance transcription from method to class (English only)
Refactor nil transcription test to use new transcriber API and remove defunct test (empty string transcription)