Changes in preparation of split of Backend and Serialization modules
fix
Move all files related to Backend and Serialization services to their new module
Rename SerializationProviderService to AvroSerializationServiceProvider, PluggableSerializationLuceneWorkSerializer to LuceneWorkSerializerImpl
Javadoc improvements
Operation needs to be Serializable
HSEARCH-1365 Rename package for JGroups backend
HSEARCH-1365 Rename package for JMS backend
HSEARCH-1365 Rename package for backends tests
HSEARCH-1365 Reorganize distribution assembly
new Services refactoring
Update tests accordingly
Apply new Service to the Infinispan module
Renames Services