IMPALA-131: Fix clang compilation error
Add support for generating lzo compressed text files and running tests against lzo
Disable state-store-test
Make Impala's use of HTable thread safe.

* Rename HBaseTableCache to HBaseTableFactory
* Cache ExecutorService so that threads are not created for every HTable
* Add method to close HTables.
* Minor clean up of HBaseTableFactory
* Change GetHBaseTable to return Status
Update IO manager to support better RM and first part to grouped ranges.
IMP-773: Add better logging/error detection to start-impala-cluster.py
Revert "IMP-773: Add better logging/error detection to start-impala-cluster.py"

This reverts commit 4375e98e90f7ad9528d8495fb7c5d23551d51123.
Remove DCHECK in ComputeScanRangeAssignment

The state in simple-scheduler could be unstable during stress test:
impalad's connection to state-store failed intermittently. Therefore
the list of available impalad might change within ComputeScanRangeAssignment.
IMPALA-144: partition pruning for arbitrary predicates that are fully bound by partition columns

This makes partition pruning more effective by extending it to predicates that are fully bound by the partition column,
e.g., '<col> IN (1, 2, 3)' will also be used to prune partitions, in addition to equality and binary comparisons.
Fix pre-hive 9 rc file scanner.
IMPALA-36: Connection metrics for Thrift servers
Catalog loading now accesses volume id internals to get at disk id.
IMPALA-136: GROUP BY float/double.
Add GetRuntimeProfile RPC and enable printing runtime profile from impala-shell
Parquet writer.

Change-Id: I7117b545e3d3a7803a219234ad992040a6c7c4ec
Fix build break from bad merge in generate-schema-statements.
IMPALA-149: Serialize Hive Metastore metadata loading

This change serializes the Hive Metastore metadata loading code to workaround HIVE-3521
Disable running mini-impala-cluster tests in run-all-tests.sh due to IMPALA-155
Refactor testing framework to generate Avro tables.
IMP-739 Results for show queries should check for subset, not equality.