DRILL-1393: Set record count before clearing SV2 in RecordBatchData
DRILL-1526: Move casting logic to utility methods.
DRILL-1303 - Fix Drill Client assertion on getting bad metadata
DRILL-1504: Enabling fragment memory limit causes out of memory error
Grammar fix in project description. Also fixes the hangout info to no longer indicate that they are weekly.
DRILL-1541: Add big endian version of convert to/from for double and float
Avro record reader

Reader for Avro data files.

Supports:
- All primitive types
- Arrays
- Nested records

Unimplemented:
- Endpoint affinity