8615e6b46d
Merges the HD wallet work and process-based I2P integration from the SAMI-PC hd-wallet branch into v6 master. Conflict resolution keeps v6 embedded I2P (CI2PEmbedded) as primary, includes process-I2P files for reference, preserves FastImportBlockFile() from hd-wallet, and keeps v6 version numbers (6.0.0) and wAddressStack Qt layout.