2.1.1 - Release

Changes since 2.1.0:

• Fixed compatibility with IE 11
• Rewrote UI help section to conform to version 2.x.x
• Fix footer hiding content in Safari
• Track tool match calls and tool invocation calls in Matomo
• Update documentation
• Add configuration option for hiding development tools
• Allow configuration in config.yaml to be set via system environment variables
• Multiple security fixes