## Description:
More fixes flagged by pylint 2 that don't hurt to have before the actual pylint 2 upgrade (which I'll submit soon).
## Checklist:
- [ ] The code change is tested and works locally.
- [x] Local tests pass with `tox`. **Your PR cannot be merged unless tests pass**
* added functionality to save/restore snapshots to monoprice platform
* renamed monoprice_snapshot, monoprice_restore to snapshot, restore
This is to simplify refactoring of snapshot/restore functionality for monoprice, snapcast and sonos in the future
* added implementation for monoprice 6-zone amplifier. This implementation is based on and very similar to russoun_rnet implementaion
* updated comments and cleaned up code
* updated comments and cleaned up code
* added unit tests
* removed 'name' attribute from platform schema.
* added monoprice.py to .coveragerc
* fixed lint
* fixed lint errors
* fixed lint errors
* added monoprice to requirements_all.txt
* fixed lint errors again
* implemented change requests
* fixed lint error
* added exception handling to setup_platform()
* replaced catchall with SerialException only
* added myself to CODEOWNERS
* fixed weird merge to CODEOWNERS
