NPE when try to parse ROOT_OBJECT
wip: javadoc
Move extractClassNameFromExtenalId method to inside try-catch block
Force slots of object to be co-located
ColocatedBPlusTree can be used for enforcing co-location in relations
Added debug to co-located tree
Support for individual backing collection per relation
Fixed consistency bug in BPlusTree
Default to ColocatedBPlusTree
Merged ghost collections
Revert changes in the fix leaf method
Changed new collections to inherit from _Base classes
Added method to print the locality hint location
Fix NPE when the grouper is query without a FF key (e.g. via JMX)
Fix LARD behavior during state transfer

* During the state transfer, the LARD clients are immediately notified
of the new joiners but the joiners are not in the LARD cluster. This
was causing the requests to be aborted

* Now, when the primary owner is not available, it tries the backup
owners (if any). Fallback plan is using round-robin
Colocate left and right sides of a *-to-many relation
Upgrade Infinispan to 5.2.8-cloudtm-SNAPSHOT
Update statistic for LARD thread pool

* added total task time: measures the time since it was received until
the reply is sent back to the requestor
LARD server notifies when they are over/under loaded

* Notification based on the max and min queue size

* The LARD server broadcasts a notification message

* The LARD clients decides what to do with it
L2 Cache implementation and tests