paypro: fix parseBitcoinURI. start using bitcoin uris in tests.
paypro: fix some more errors.
paypro: start mocking up tests for running in browser and node.
paypro: clean up tests.
paypro: test/minor - use paypro content type constant.
paypro: test - add mock paypro server.
paypro: controller unit tests for payment protocol.
paypro: fix mock server. unit controller tests.
paypro: fix parse error.