Parallel

Current time : 18 minutes for a -a run. Requires some additionnal testing that should be carried next week
Hmm.. if only there were some way to [centralize](http://blogs.nopcode.org/brainstorm/2014/03/04/opensource-dashboard/) [our](https://github.com/guillermo-carrasco/logbook) [logging](http://www.elasticsearch.org/overview/)...