Hue Exporter Versions Save

• Add counter metric for bridge restarts
• Fix build info metrics for dockerized builds
• Fix crossbuilds

Fixed the docker images. Otherwise unchanged!

• Corrected 'on' value for lights
• Output for 'version' command goes to stdout
• Add metrics for failures
• Added HTTP timeouts
• Added 'device_id' field to sensors
• Add ability to map motion sensor name to temperature and light sensors in the same device

First release. The only testing on this has been ad hoc.