* minor typos, improving the HA operational
* Hot-cold operational guide improvement(typos, styling, more specific settings)
* ENT-1959: address PR comments
* address pr comments
* ENT-1959: add a default value for mutualExclusionConfiguration.machineName
* ENT-1959: update docs
* ENT-1959: update docs, remove machineName from default conf, add unit test