Remove outdated info.
Unused imports.
Fix missing logical_log_rotation_threshold setting in docs.
Merge pull request #1159 from nawroth/1.9-fix-logical_log_rotation_threshold

1.9 fix logical log rotation threshold docs
Changed the HA REST API so that it returns "UNKNOWN" when it's neither master nor slave.
Added a unit test to drive out the functionality via a local binding.
Changed the HA REST API so that it returns "UNKNOWN" when it's neither master nor slave.
Added a unit test to drive out the functionality via a local binding.
Updating the master info docs to reflect the existence and prominence of the UNKNOWN state.
 neo4j-backup exits with status 1 in case of  foreign destination
Merge pull request #1163 from cleishm/exitcode_backup

 neo4j-backup exits with status 1 in case of  foreign destination
Now uses multiple threads to send messages, so that one faulty receiving instance cannot block messages to other instances
Converts host names to IP addresses on startup, so that all internal logic works on IPs
ClusterManager repair kits now start more services
Log connection problems as debug level
Now routes Netty logging to messages.log
Fixed instance repairing in test kit
Unused imports.
Don't do double elections on cluster startup. The join will make an election so no need to make an explicit election on create
Updated logging messages
Updated custom-logback.xml in all editions to have right format and converters
Fixing build
Reintroduces election on cluster creation

Reverts part of 9218ff35f9f538f0fbf921cf6f9763a497ccef81
fixing test
Disable persistently flapping test

It's stopped the release builds for a while.
Only log suspicions when first encountered, and only log when suspicions are withdrawn.
Improve the error message for MERGE statements with map property parameters.

This case cannot be supported because the MERGE can't be planned without
knowing the properties involved, but they are hidden away in the parameter map.