* zookeeper doc
* explicitly mention hot/hot is not supported
* change zookeeper to ZooKeeper
* change doc link to v3.5.3
* add note stating only zookeeper v3.5.3-beta is compatible
* 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
More doc work on bridge
Fixup docs with regard to HA changes discovered during testing
Link to bridge docs and add note about Zookeeper prerequisite.
Doc in progress
Add operating modes to overview doc
Change to BridgeInner from FloatInner
Add diagram to worked configuration section
Fix some typos and comments from PR reviews
Try to tidy up some of the wording.
Add new config properties and change to subsection headers for mode discussion