[Marketing] donation bar blurb

[Marlene Bruce]

>edited to include Lach's and Martin's comments:
>
>--
>
>evolt.org's success has brought about costs which our volunteers are
>unable to meet without your help. None of the volunteers are paid for
>their work -- all money is put to use in providing evolt.org's services
><link>Please support evolt.org</link>.

Great. Shall we notify Jeff about this change?

Thanks,
Marlene