Adds ScreenScribe implementation to utils' logger

Adds a scribe to the utils' logger which prints every log statement onto the screen. This scribe will be used in `lmvc` to replace all the library's print-statements.

# Checklist

- [x] Add ScreenScribe class and implement it
- [x] Update `config.json` and `sample-config.json`
- [x] Test the scribe