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.
I'm siging a weird character in "Investigación", maybe the acent... Not sure if it is a real problem or an issue in the way github renders the web page.