Revert "HBASE-12454 Setting didPerformCompaction early in HRegion#compact"

This reverts commit b0a434a5ce4aac1bc6e50ebf7c58f0e65052caae.
HBASE-12366 Add login code to HBase Canary tool (Srikanth Srungarapu)
HBASE-12445 hbase is removing all remaining cells immediately after the cell marked with marker = KeyValue.Type.DeleteColumn via PUT (Hani Nadra)