LocationTech GeoWave 1.2.0

The following improvements are planned for the GeoWave 1.2.0 release:

• New aggregations including a Geohash aggregation implementation
• FileSystem DataStore supporting direct local, S3 and HDFS as a DataStore
• Kerberos Support for Accumulo
• Expose Cassandra cluster configuration options 
• Using a single instance of RocksDB for reads and writes
• Support for reverse iteration range scan by Data ID for the DataStores that support reverse iteration
• Update pygw to support remote gateways
• Various bug fixes to include:
  • Fix issue with deleting when using secondary indexing
  • Error creating spatial_temporal index on DynamoDB store
  • Unconventional type names cause issues in vector query language
  • Time Bounds Handling through GeoWaveFeatureReader
  • Fix intermittent secondary index IT failures
  • Handled empty read in rocksdb gracefully as no-op
  • Thread-safe use of HashBiMap to avoid any race conditions