Fix: Read known devices file once on init device_tracker
Updated example component with more examples
Light component now supports sending flash command
Fix: Hue lights will not flash anymore on next turn on call after having flashed
Added a simple_alarm component
Simple_alarm will only show known_alarm if that light is already on
Fix: simple_alarm will now report if proper initialized
Added frontend icon for simple_alarm
Auth header for API is now prefixed with X- to follow spec
Group component is more flexible when to setup a group
Fix typo in doc
Merge pull request #12 from jd/jd/typo

Fix typo in doc
Only save the valid entities in the group entity_ids attribute
device_tracker - No longer keep writing same new devices to known_devices.csv
Log file now also contains warnings
Style fixes in home-assistant-api.html
Calling a service can now block till execution is done
Fix Chromecast tests
Added TrackStates context manager
API Call Service returns states changed