Add Cooper Wiring RF9542-Z to Z-Wave product database

Commit message speaks for itself -

Product documentation w/Z-Wave specs can be found here: http://www.cooperindustries.com/content/dam/public/wiringdevices/products/documents/spec_sheets2/AspireRFSmartDimmerSystemAccessorySpecSheet.pdf

Additional info here: http://products.z-wavealliance.org/products/971