* Remove side effects from properties
* Remove redundant return value in async_send_command
* Move callback registeration to async_added_to_hass
* Code cleanup for roomba
* Add Braava support to iRobot Roomba component
* Replace async_add_job with async_add_executor_job in roomba
* Improve readability in roomba
* Improve error handling in roomba
* Cleanup async_update in roomba
* Split into multiple files in roomba
* Hide protocal details in braava
* Switch to push in braava
* Bump roombapy version to 1.5.1
* Add roomba files to .coveragerc
* Fix typo
* Remove side effects from init in roomba
* Implement StateVacuumDevice in Roomba
* Add IRobotEntity base class to braava
* Fix state in roomba
* Add @shenxn as a codeowner of braava
Xiaonan Shen