158455: Improve logging: avoid ERROR on rollback without prepare
We now avoid logging rollback exceptions as ERROR when the only possible in the participant / resource is rollback.
158527: Improve XAResource comparison for Hazelcast
The comparison code for enlisting Hazelcast instances has been improved to provide more flexibility for custom wrapper classes.
158525: Fixed small low-level issues
Improved logging and log level checks a bit, so INFO logging is less verbose.
158493: Tomcat/Spring examples: close connections to avoid pool leaks
The examples were a bit sloppy in cleaning up connections, which has been fixed.
158494: Tomcat/Spring examples: add CleanupPendingTransactionContextFilter
The filter was missing in the example, it's been added now.