* Create gc100.markdown
* Create binary_sensor.gc100.markdown
* Create switch.gc100.markdown
* Fixed formatting of configuration variables
* Elaborated on what gc100 is
* Implemented fabaff's requested changes
removed blank line, updated yaml example to be a list of ports, added period to ports parameter description.
* Implemented changes requested by fabaff
removed blank line, fixed yaml format, added period to ports parameter description
* Fixed ha_release and ha_category
* Fixed ha_release and ha_category
* Implemented changes requested by fabaff.
fixed ha_release and added parameters.
* Updated introduciton description
Implemented suggestion by upsert and referenced iTach library.
