0.7.3

New version Flir-Lepton 0.7.3

Introduce new feature and correction

• Refactor class Object Detection
• Refactor class Classification
• Compliant C++ style guide
• Compliant correct include header files
• Bug fix
• Support multiple label file format such as: Coco, Imagenet
• Better support CMakeLists

Add build on Travis CI/CD using docker file.