v0.0.4 - masternode network generator

Added

• masternode network generator producing real DIP-0024 rotating quorums for SPV masternode-list-sync integration tests (#4) @xdustinface

Assets

• regtest-mn.tar.gz — 4-masternode network with 8 successfully-mined DKG cycles (llmq_test + llmq_test_dip0024)
• regtest-40000.tar.gz — full 40K-block chain (unchanged from v0.0.3)
• regtest-200.tar.gz — minimal 200-block chain (unchanged from v0.0.3)

Full Changelog: v0.0.3...v0.0.4