* Add amcrest binary_sensors
Add binary_sensors with option motion_detected. Deprecate motion_detector sensor.
* Update per review
* Update per review
Add custom validators to make sure camera names are unique, and to issue warning if deprecated sensors option motion_detector is used.
async_setup_platform should not return a value.
* Another review update
Since there is only one type of binary_sensor, remove type test in update method.