Squashed commit of the following:
Squashed commit of the following:

commit b98ad0fae7bf1f7d1c027dec13ed871702045b90
Author: Muharem Hrnjadovic <mh@foldr3.com>
Date:   Sat Apr 23 08:39:01 2011 +0200

    add comment

gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine