replace commons logging with slf4j?

[GoogleCodeExporter]

It is much better to use slf4j than commons logging. It is possible for 
everyone to stick to their chosen implementation. As most frameworks use slf4j 
it is quite a hassle to work around commons logging using a dummy 
implementation.

Also note this article: http://articles.qos.ch/thinkAgain.html and the 
references at the bottom.

Original issue reported on code.google.com by hielke.hoeve on 17 Jun 2011 at 7:52