* Epson projector support. Version based on external library
* Epson projector support. Version based on external library
* modified epson according to MartinHjelmare review.
Added description of cmode to services.yaml
* renamed EPSON_SCHEMA to epson_schema
* removed method of getting cmode property
* removed unnecessary checks
change name of cmode service
* renamed SERVICE_ATTR_CMODE to SERVICE_SELECT_CMODE
