Add "GiveDirect Poverty Relief Donation" line item to the payment confirmation display...

the app should extract the following from the "auth" whitelist file...

GiveDirect Poverty Relief Donation Address GiveDirect Poverty Donation Percentage

which would mean.... it could be changed over time, but only by the same trusted actors who have existing access to our server.... myself, @dael4 and @agnewpickens...

With the values in the files... This would increase transparency, as the values would be outside the code and reports could be generated from them for audits....