* Add attribute to show who last un/set alarm.
This allows showing the name of the SPC user who last
issued an arm/disarm command and also allows for
automations to depend on this value.
* Optimize
* Update spc.py
* Update spc.py
* fix
* Fix test.
* Fix for removed is_state_attr.
* renamed add_devices to async_add_devices according to hass naming scheme
* replaced some occurencies of async_add_entites to async_add_devices
* fixed unit test
* fixed unit test
* Add support for Vanderbilt SPC alarm panels.
* Arm/disarm + read state
* Autodiscover and add motion sensors
* Fix code formatting.
* Use asyncio.async for Python < 3.4.4.
* Fix for moved aiohttp exceptions.
* Add docstrings.
* Fix tests and add docstrings.