Release 1.1.0

The minor version number was incremented because of some minor api changes (a few arguments were made const).

• fixes associated with newer clang-tidy from Clang 9
• api fixes (adding const to certain parameters) based on compiling with gcc 9.3.1
• fixes based on compiling with clang 9
• Jenkinsfile - pipeline updates to run containerized builds with Podman rather than using 'docker' Jenkins agent.