Consolidate all m2e ignore configurations into one place for the bom tree. Add more goals to the ignore list to clear the Eclipse warnings related to them.
ISPN-5059 Resolve property value expressions in JGroups subsystem
ISPN-5000 Cleanup rebalance confirmation collector when node is not coord
ISPN-4491 Cluster Listener Event Batching

* Batch events destined from the same node for the same modifiation
* Send events concurrently to multiple nodes
* Async now is done from the owner node instead of listener node
ISPN-5078 RHQ Server Rebalancing value doesn't display properly

* Added so attributes with runtimeonly are displayed
ISPN-4445 RHQ or CLI server -- cli.interpreter.ParseException in newly
started cache for getting stats

* Changed so all cache services are EAGER always
ISPN-5097 Provide defaults for the S3 properties in the jgroups subsystem config
Implement purgeOnJoin

The joiner will still do the preload, but the entries will be removed from
the data container.

Also includes a fix for ISPN-3217 (entries not written to the cache store
on a backup owner with CACHE_MODE_LOCAL).

A hack was needed to avoid triggering ISPN-3443 (state transfer undoing the
remove operations).