HSEARCH-1459 Polish some javadoc after the JGroups renames
HSEARCH-1459 Define package-info and required META-INF elements for the new Services
HSEARCH-1365 Reorganize distribution assembly
HSEARCH-1365 Remove JGroups dependency from other modules
HSEARCH-1365 Move all JGroups tests to their respective module
HSEARCH-1365 Make JGroups backend tests independent from the JMS backend tests
HSEARCH-1365 Move JMS tests and reference implementation to the new JMS backend module
HSEARCH-1365 Redefine dependencies to run JMS Backend module tests and WildFly integration tests