Feature/109

This PR adds a TDAF-compliant Conversion Pattern to log4j, including a transaction id. The README and some templates have been modified accordingly.

The issue #109 will be completed when all the traces are revised; this is necessary to create the alarm conditions table.
With this file we will have another case of "manual sync" between README.md an actual file (like cygnus.conf). It's a pitty markdown doesn't allow includes... :(

NTC (just crying)