Merge pull request #453 from fanf/ust_4521/dev_4538_use_cache_for_promise_template

Fixes #4538: Use cache for promise templates
Fixes #4242: change implementation of node configuration + immutable implementation
Correction following comments on the pull request
Update debug file name from doLog to enable-debug-logs
Remove ducplicated line
Revert debug method to a standard one (logback config)
Issue #4242: correct typo & logs, change var names