DRILL-1445: Fix is in Optiq.  Upgrade Optiq version to 0.9-drill-r6.
DRILL-1636: Shorten the output of toString() methods of HiveTable and HivePartition.
DRILL-1548: Remove jdbc-all from default build

* Allow devs to individually disable maven modules from build
* Removed duplicate dependency "pentaho:mondrian-data-foodmart-json" from exec/java-exec/pom.xml
* Removed duplicate dependency "com.mapr.hadoop:maprfs" from distribution/pom.xml
DRILL-1635: Propagate detailed error information when Drill sees a SQL parser error.
Update Netty to 4.0.24.Final
Fix for setValueLengthSafe method in variable length vectors that was causing a failure in the parquet reader.
Fix Parquet reader to not delete (harmlessly) the allocated buffers twice