* add ability for MQTT device tracker to map nondefault topic payloads to zones
* update new parameter name and add abbreviation
* support for payload_home, payload_not_home, and payload_custom
* use constants STATE_NOT_HOME and STATE_HOME as defaults
* reference state constants directly
* add empty dict as default for payload_custom
* change parameter name for custom mapping of payloads to non-home zones to be more descriptive
* removed 'payload_other_zones' per ballobs review
* remove abbreviation for 'payload_other_zones'
* add tests for feature
* Add missing abbreviations
* Move abbreviations to own file, add script to find missing abbreviations
* Move check from script to test case
* Lint
* Rewrite to use pathlib
* Lint