CMake and build system rework

[robbiefish]

• Removes Visual Studio project files, boost build files, and build scripts and replaces them with a CMake build system
• Adds dockerfiles for CentOS, Ubuntu, and Windows.
• Adds scripts to build non-interactively
• Adds docker VSCode integration
• Updates build documentation to talk about how to build from CMake
• Adds Jenkinsfile to allow multibranch and PR builds from jenkins
• Updates python examples to work for both Python2 and Python3