config file was still pointing to 17 project, so in order for it to
appear in the saas-17.1, we need to update it. Note that .pot files had
any difference since previous export so they are left unchanged (i.e.
the `Project-Id-Version` doesn't matter)
closesodoo/design-themes#793
Signed-off-by: Louis Wicket (wil) <wil@odoo.com>