BGSLibrary 3.1.0

Fixed issues with OpenCV higher than 3.4.7.
The new python package is available at https://pypi.org/project/pybgs/3.1.0.post0/
Updated docker files at https://github.com/andrewssobral/docker/tree/master/bgslibrary

What's Changed

• Fixes to solve the issue related to OpenCV 4.2.0 by @andrewssobral in #176
• Update vibe-background-sequential.cpp by @vc-zju in #206
• Fixed typo in load_config() by @yuta1125tp in #208
• Fixed tools/fet/fet.py by @carolinepacheco in #183
• Add support to Visual Studio generators in setup.py by @ririko-nakamura in #201
• Edited and Tested: Added CMake Target Export to the Installation Step for easy Integrati… by @SIhrke in #171

New Contributors

• @vc-zju made their first contribution in #206
• @yuta1125tp made their first contribution in #208
• @carolinepacheco made their first contribution in #183
• @ririko-nakamura made their first contribution in #201
• @SIhrke made their first contribution in #171

Full Changelog: v3.0...v3.1.0