[ISPN-4645] Many XSD default values do not match the defaults from the
corresponding configuration builder

https://issues.jboss.org/browse/ISPN-4645

Updated *ConfigurationBuilder, *CacheResource, and XSD files to have the
correct default values
Modified test case code that verifies the default value for L1
configuration
ISPN-4830 Inconsistent naming for the HotRod client Karaf features

Rename them to 'infinispan-client-hotrod' and 'infinispan-client-hotrod-with-query' and deprecate the old ones.
ISPN-4829 OsgiClassLoader.getInstance() is not thread-safe
ISPN-4832 Compose the classpath for the rhq-plugin.xml generator from all the needed path elements
ISPN-4798 Add XSite state transfer configuration to server

* added missing take-offline configuration to CacheAdd
ISPN-4827 Expose the cluster/cache availability over JMX attributes/DMR
metrics
ISPN-4826 X-Site State transfer values not propagated correctly
ISPN-4027 Disable TxCleanupService for non-tx cache
ISPN-3830 Conditional Operation can fail erroneously during ST

The scenario described in the bug was actually working, because the
command was forwarded to the new primary owner. However, it did cause an
unnecessary retry because of the additional topology check in
EntryWrappingInterceptor.
ISPN-3830 Conditional Operation can fail erroneously during ST

* Fixed refactored imports
ISPN-3938 AdvancedAsyncCacheLoader.process() concurrency issues

Simplify ExecutorAllCompletionService to track the tasks itself instead of
using an ExecutorCompletionService.