Optional Donations of Masternode Income

Udjin and I just wrote an extension that allows the masternode network operators to voluntarily sponsor initiatives. This is a super powerful feature, you can specify that a percentage of your earnings will be redirected to any other address. I imagine people will lobby for an initiative, then they will post an address in the forums, if masternode operators supports it, they could donate 30% of their income (or any other amount).

Examples include:

- Sponsoring an advertising campaign
- Sponsoring development
- Donating to the Darkcoin Foundation's address

Another benefit of utilizing the protocol for something like this is, when used a percentage of payments will bypass you, creating no taxation (you never controlled the money at all).
 
https://github.com/darkcoin/darkcoin/commit/70164b2d4c507669aea0043ccde19226f49aaabd

* This is 100% voluntary, we'll never require donations. This line here is just for testing and has already been removed: https://github.com/darkcoin/darkcoin/commit/70164b2d4c507669aea0043ccde19226f49aaabd#diff-345a95f756731b98ecccf4a05e6bd4e2R113