concurrency fix
* Migrations should pause during member join & while post-join ops are running. *Query op should throw exception when target is left.
Fixed post-join proxy initialization. Added test.
Fixed map service owned partitions usage.
Added migration aware service hooks when a backup is promoted to primary replica.
Improved QueryTest.testQueryWithIndexDuringJoin()
map-config converted
queue-config converted
Removed unwanted locking for named instances
collection-config converted
multimap-config converted
Added a map.localSize method
Merge pull request #1131 from pveentjer/fix/3.x/testapp-simulateload-syncing

Added a map.localSize method
topic-config and executor-config converted
semaphore-config converted
some fixes
Various testapp improvements

* added the map.localSize
* added enabled management center by default. It will connect to port 8080.
Merge pull request #1133 from pveentjer/improvement/3.x/testappimprovements

Various testapp improvements
getReadOnly changed to getAsReadOnly
in findXConfig method results of the lookup will also return read-only version
MapConfig deep-down converted to read-only