DRILL-1540: Provide a fallback data format in case Drill is unable to determine one

+ added "storageformat" to ignored list to avoid failure in existing cluster.
DRILL-1567 - Pushdown fails with WHERE clause with more than one AND or OR operator of same type
DRILL-1508: Implement pushdown for LIKE operator in HBase storage engine
DRILL-1547: enforce writers to explicitly check for buffer bounds to avoid IndexOutOfBounds errors; make writer hierarchy to stop immediately in case of a write error
DRILL-1484: shutdown executors when connection is closed
DRILL-1543: Implement partition pruning for Hive tables
Use EStore to track running query status.
Rename PStoreProvider to StoreProvider,  PStoreConfig to StoreConfig, PStoreRegistry to StoreRegistry.