Add sensors and services to RainMachine (#14326)

* Starting to add attributes

* All attributes added to programs

* Basic zone attributes in place

* Added advanced properties for zones

* We shouldn't calculate the MAC with every entity

* Small fixes

* Basic framework for push in play

* I THINK IT'S WORKING

* Some state cleanup

* Restart

* Restart part 2

* Added stub for service schema

* Update

* Added services

* Small service description update

* Lint

* Updated CODEOWNERS

* Moving to async methods

* Fixed coverage test

* Lint

* Removed unnecessary hass reference

* Lint

* Lint

* Round 1 of Owner-requested changes

* Round 2 of Owner-requested changes

* Round 3 of Owner-requested changes

* Round 4 (final for now) of Owner-requested changes

* Hound

* Updated package requirements

* Lint

* Collaborator-requested changes

* Collaborator-requested changes

* More small tweaks

* One more small tweak

* Bumping Travis and Coveralls