* Modified Prometheus extension to allow for a configurable prefix on metric names.
* Added reference in config_definitions.json and updated docs.
* Fixed whitespace in config_definitions.json.
* Added reference to prometheus.prefix in settings.php
* Defined prefix var as private in Prometheus.php
* Formatting changes to doc for Prometheus extension.
* Modified Prometheus extension to allow for a configurable prefix on metric names.
* Added reference in config_definitions.json and updated docs.
* Fixed whitespace in config_definitions.json.
* Added reference to prometheus.prefix in settings.php
* Defined prefix var as private in Prometheus.php
* clean 1-Minute-Polling.md formatting
* cleanup formatting for Adding-a-Device.md
* clean up formatting of Cleanup-options.md
* cleanup formatting some for CLI-Tools.md
* cleanup formatting for Syslog.md and Configuration.md
* cleanup formatting for Device-Sensors.md
* cleanup formatting for Device-Troubleshooting.md
* cleanup Discovery Support.md
* cleanup Environment-Variables.md
* cleanup Example-Hardware-Setup.md and FAQ.mg
* update Features.md, Install Validation.md, Perfermance.md, Poller Support.md, and index.md
* cleanup Remote-Monitoring-VPN.md, SNMP-Configuration-Examples.md, and SSL-Configuration.md
* lots of updates for Installation docs
* more installation doc cleanup
* more formatting cleanup
* clean Work-Map.md up some
