New icon.

Credit: http://commons.wikimedia.org/wiki/File:Sperm-egg.jpg
Added tag 2.1 for changeset 6087200eeeab
Relocate icon.

--HG--
rename : static/src/img/icon.png => static/description/icon.png
Compatibility with Odoo 8.0.
Added tag 3.0 for changeset 43e0848b0bf0