added test for local map stats
added tests for MultiMap methods
fixed npe when closing owner connection. Move the owner connection to a seperate class so that seperation is more clear. Added a few javadocs.
cleanup & more javadoc
aggregate tests for multimap
added test for localMapStats.getHits
renaming
Handled distributed object failure during creation and initialization. ProxyService.shutdown() hangs infinitely if object initialization fails
Added test for failing object creation in multiple threads.
DistributedObjectFuture.setError() is added to be able to notify blocked waiter on future with the error.
npe in connection manager pr update after review
merge
unit test for Semaphore

fixed failed test

cleaned code
unit test for more cases
cleaned code and added TestThread into support class
Initial work on client performance improvement fix
WIP
Fixed problem with MultiMap contains methods

Also added a test that verifies that a HZ cluster works fine with dumb clients and the performance improvement.
Minor checkstyle related fixes
Fixed import issue due to merging