ignore an unknown portable field and return false for unknown field portion of that query
fix javadoc to clarify thread safe access guarantees to wrapped write-behind-queue
Improved Javadoc
Merge pull request #4033 from ahmetmircik/fix/3.4/portableUnknownField2

Fixes unknown portable field exception when querying
Checkstyle improvements
Fixed few javadoc problems
Reviewed the newly added Note.
Merge pull request #4041 from pveentjer/feature/3.x/performance-monitor

Performance monitor
Adding a new chapter (Cluster Management).
TcpIpConnectionManager now logs the index of the selector when a connection is made
TcpIpConnectionManager improved logging: now includes connectioncount on assigning channel
Added a hack so that the selector index for the same remote host is always the same
Improved logging and added some hacky synchronization