* Added lightwave components for switches and lights.
* Address warnings raised by Hound
* Correcting lint messages and major typo. This time tested before commit.
* Trying to fix author
* Minor lint changes
* Attempt to correct other lint error.
* Another lint attempt.
* More lint issues.
* Last two lint errors! Hurrah.
* Changes after review from fabaff.
* Moved device dependent code to PyPi.
* Replaced DEPENDENCIES with REQUIREMENTS
* Updated following code review from Martin Hjelmare.
* Added lightwave to requirements_all.txt
* Omit lightwave from tests.
* Updated requirements_all.txt
* Refactored how lightwave lights and switches load.
* Removed imports that were no longer required.
* Add guard for no discovery_info.
* Make it a guard clause and save indentation. Rename LRFxxx to LWRFxxx.
* Sorted imports to match style guidelines.
* Correct return value.
* Update requirements_all.txt
* Catch case where we have no lights or switches configured.
* Improve configuration validation.
