fe226c4bf5
Replace all user-visible "Bitcoin" and "Electrum" strings across Qt and QML GUIs with "Bitcoin Purple" and "Electrum Purple" respectively. Update the Help menu: replace the Bitcoin Paper link with the Bitcoin Purple whitepaper and point the official website to bitcoinpurpleblockchain.com. Remove the "Distributed by Electrum Technologies GmbH" attribution from the About dialog. No code identifiers, class names or technical references were modified.