HBASE-7583 Fixes and cleanups
HBASE-7604 Remove duplicated code from HFileLink
HBASE-7616 NPE in ZKProcedure.nodeCreated
HBASE-7625 Remove duplicated logFSTree() from TestRestoreFlushSnapshotFromClient
HBASE-7627 UnsupportedOperationException in CatalogJanitor thread
HBASE-7559 Add additional Snapshots Unit Test Coverage
HBASE-7622 Add table descriptor verification after snapshot restore
HBASE-7643 HFileArchiver.resolveAndArchive() race condition may lead to snapshot data loss