HSEARCH-436 Javadoc fixes and clarifications
HSEARCH-436 Code cleanup
HSEARCH-436 Moving LeakingOptimizer into the test util package of the engine module
HSEARCH-436 Deprecating getAllIndexesManager() and replacing it with getIndexManagerHolder()
HSEARCH-436 Replacing PropertiesMetadata with proper objects.
HSEARCH-436 Extracting annotation scanning from DocumentBuilders
HSEARCH-436 Defining the metamodel interfaces
HSEARCH-436 HSEARCH-904 Introducing a way for bridges to report the generated field names