[JBTM-1459] parallel synchronizations
[JBTM-1459] Improved javadoc for async config options
https://issues.jboss.org/browse/JBTM-1907
Revert "JBTM-1901"

This reverts commit 73daf5af12e35800b841123344edf4867588e6c8.
JBTM-1904 Update to build blacktie subsystem