- Move core Entity Class definitions to separate file.
- New ISYNodeEntity and ISYProgramEntity base classes.
- Update inheriances on other classes.
- Move helper functions to separate file.
* ISY994 Structure updates in prep for PyISYv2 (Part 1)
- Correct node categorization.
- Move constants to separate file.
- Consolidate Logging to Constants file.
- Use Home Assistant Constants where possible.
- Use string literals where possible.
- Rename "domain" to "platform" in most places.
- Add additional device support (NODE_FILTER updates).
* Update categorize_programs per review
* add @shbatm as codeowner for ISY994 integration
* Add and use speed constants
* Add and use meter based volume and area constants
* Add and use more mass unit constants
* Add and use concentration unit constants
* Add and use watts per square meter constant
* Use more time constants
* Use more data constants
* Add and use time related constants
* Sort time constants and reuse them in data rate constants
* Fix greeneyemonitor import
* Fix greeneyemonitor import V2
* Fix failing here_travel_time test
* Add TIME_MONTHS and TIME_YEARS
* Use TIME_MINUTES in opentherm_gw and isy994
* Add and use TIME_MILLISECONDS
* Change inconsistent ones
* Add TIME_MICROSECONDS and TIME_WEEKS
* Use constants in apcupsd and travisci
* Fix import error in upnp sensor.py
* Fix isy994 sensor.py using TIME_YEARS
* Fix dyson tests
* Use TIME_SECONDS in more places
* Use TIME_DAYS in google wifi
