3.7.3: * Add support for indexing non-frozen UDTs

 Merged from 3.0.8.3:

 * Optimize clustering key index format \(breaks backward compatibility\)

 Merged from 3.0.8.2:

 * Allow associativity in search-time geospatial transformations

 * Simplify naming of builder static methods for creating geospatial transformations

 * Fix paged index-sorted queries matching more than 65535 rows

 * Fix partition directed queries using dummy column syntax in skinny tables

 Merged from 3.0.8.1:

 * Upgrade query builder JSON serializer to Jackson 2.8.0

 * Add geospatial post filtering \(ensures accuracy with any tree levels\)

 * Set default number of indexing threads to number of processors available to the JVM

 * Fix mapping of timestamps and dates by their underlying numeric value \(_177\)

 * Fix mapper referenced by alias in sortFields

 Merged from 3.0.7.2:

 * Modernize search syntax keeping backward compatibility

 * Add Lucene-specific CQL tracing

 * Fix parsing of data with CQL \"date\" type \(_158\)

 * Fix handling of immense term insertion mapping error

 * Fix indexing of tables with descending clustering key order \(_165\)

 Merged from 3.0.7.1:

 * Fix clustering query collisions in Lucene's query cache

 Merged from 3.0.8.2:

 * Optimize clustering key index format \(breaks backward compatibility\)