HSEARCH-1470 Cleanup of SpatialIndexingTest
HSEARCH-1470 Improving error message for HSEARCH000131 and adding explicit tests
HSEARCH-1655 List<LuceneWork> should not be reused across multiple threads as it's not threadsafe
HSEARCH-1655 Renaming CopyTokenStream#buildSerializabletokenStream to CopyTokenStream#buildSerializableTokenStream and CopyTokenStream#fillCache to CopyTokenStream#createAttributeLists
HSEARCH-1713 Removing DefaultEntityInterceptor from public API and using EntityIndexingInterceptor.class as dedfault in @Indexed annotation
HSEARCH-1716 Simplify the Lucene writing backend by dropping the parallel execution of writer tasks
HSEARCH-1273 Adding tip about default spatial field name org.hibernate.search.annotations.Spatial.COORDINATES_DEFAULT_FIELD.

Also reviewing and fine tuning rest of spatial chapter.
HSEARCH-1469 Javadocs and renaming of test class
HSEARCH-1469 Removing onDefaultCoordinates from SpatialContext and renaming onCoordinates to onField
HSEARCH-1579 Simplify initialization of BasicJDKTypesBridgeProvider
HSEARCH-1579 Make most embedded TwoWayFieldBridge implementations private
HSEARCH-1579 Reduce visibility to most elements from the org.hibernate.search.bridge.impl package