New icon.

Credit: http://commons.wikimedia.org/wiki/File:I_want_you.jpg
Added tag 2.1 for changeset 7c9034b8530d
Relocate icon.

--HG--
rename : static/src/img/icon.png => static/description/icon.png
Compatibility with Odoo 8.0.
Added tag 3.0 for changeset 795dae8b5976