HBASE-12457 Regions in transition for a long time when CLOSE interleaves with a slow compaction.
Revert "HBASE-12457 Regions in transition for a long time when CLOSE interleaves with a slow compaction."

This reverts commit 56af34831fc854c177697aefaf80d535996f87e8.
Update CHANGES.txt for 0.98.8RC1