* Adds support for the Xiaomi Philips LED Ball and Ceiling Lamp
* Documentation url updated.
* New component to .coveragerc added.
* Unused import removed.
* translate labeled as static method.
* Mixed parameters in log message fixed.
* Order of requirements_all.txt fixed.
* Plattform updated. It's async now.
* Simplifiable if-statement fixed.
* Some more clean-up of unneeded stuff.
* Platform schema updated.
* Component is called xiaomi_philipslight now.
* Requirements all updated.
* Initialization of some variables updated.
* Raise PlatformNotReady exception if light cannot be discovered.
* Import of math removed.
Missing space added.
* Remove unnecessary updates