Linux arm64 Support v0.8.1

What's Changed

• Tbot: Increase app stability
• Gradle: increase dl4j libs versions up to 1.0.0-M2
• Gradle: Able to run tbot on raspberry with ubuntu x64

Full Changelog: v0.7.2...v0.8.1

Image Cropping + Object Detection

This release contains the basic functionality of bird recognition. Additional steps like object detection and following image cropping improve the accuracy and should provide a better user experience.