* 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()
Merge pull request #1123 from mdogan/fix/3.1/query-index

Map query & index missing data and performance fix