Visualization fixes

Fix several metrics when they go to 0. Prior releases would continue to show the last non 0 number.

v2.1.2

Updated grafana version and documentation

v2.1.1

Changes to better support complete dockerized installation.

v2.1.0

Support for Unisight 4.6.0+

Upgrade to Python 3

Release 2.0.0 of unisight-visualizations upgrades the unisight-data-bridge application to work with (and require) Python 3.6+.

Initial Release

v1.0.0

This release includes the initial documentation for the Prometheus + Grafana integration. With this release the unisight-data-bridge application is at version 1.0