Merge branch 'dev' of https://github.com/esphome/esphome into dev #310

Job	Run time
Build docker containers (amd64, ha-addon)	36s
Build docker containers (amd64, docker)	50s
Build docker containers (amd64, lint)	33s
Build docker containers (armv7, ha-addon)	3m 7s
Build docker containers (armv7, docker)	3m 29s
Build docker containers (armv7, lint)	3m 26s
Build docker containers (aarch64, ha-addon)	4m 10s
Build docker containers (aarch64, docker)	4m 48s
Build docker containers (aarch64, lint)	4m 40s
	25m 39s

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