* Add scan interval option
* Update tests for scan interval
* Handle missing target properly
* Update documentation to reflect that durations are not in milliseconds
* Refactor of cameradar library
* Old unit tests updated & improved. New unit tests inc
* Update documentation & issue template
* Update dependencies
* Update TravisCI build script to reflect argument change
* Remove outdated contributing guide
* Update README with more examples and remove part on library
* Add second camera to Travis build script & improve error detection
* Fix typo in travis script & add missing image to readme
* Remember that travis uses bash syntax not fish
* Use relative paths for images in the README