Preparing slides for the Bio4j oral presentation

If I am presenting this, I want to take @pablopareja's [FOSDEM presentation](http://ohnosequences.com/slides/fosdem-2014/bio4j-bigger-faster-leaner) and rework it to make shorter and more concise. 

From the [IWBBIO website](http://iwbbio.ugr.es/presentation.php):

> dedicate around 15 minutes to the oral presentation of your work and 3 minutes for questions