Peercoin uri impl
add PeercoinScanResult make it use PeercoinUri
Make it use peercoin not bitcoin
Use PeercoinUri not BitcoinUri
Update to use PeercoinUri
Update BTC to PPC
bitcoin ->  peercoin . hope this is everything , string wise
Merge pull request #30 from mark-bl/master

Full impl of PeercoinUri + PeercoinScanResult