DRILL-1163: Estimate memory and re-planning query + system options UI.
DRILL-1178: Double copy in setSafe for VariableLengthVectors
DRILL-1205: group by causes access to DeadBuf

* Fix an issue that causes calls to splitAndTransferTo malfunction on repeated vector types
DRILL-1240: Updated NOTICE to 2013-2014.
DRILL-1241: Ensure that Limit produces at least 1 batch with the output schema.
DRILL-1275: Added disclaimer file.
DRILL-1277: Rewrite compound identifiers in 'ON' clause as item operator
DRILL-1278: Fix selecting scalar field from a map with join clause.
DRILL-1292 - Standalone JDBC jar is in distribution.

* The code was already there, it just needed to be uncommented.
DRILL-1293: Fix assertion when selecting star column from view that also has star column.
DRILL-1295: Select returns null for non pivot fields with a nested select

* Fix DrillTextRecordReader to handle the case when requested columns includes the entire group and a subset.