Testnet 3

[feature] Miner: Miner client is released.
[feature] Desktop wallet: Statues for UTXO become more informative and user-friendly.
[feature] Desktop wallet: "Addresses" screen is added.
[fix] Wallet, Miner: When restoring a wallet mined coins will be restored alongside "regular" ones.
[fix] Miner: Improved error handing with CPUs that lack AVX instruction set on Linux.
[fix] Desktop wallet: When switching from local to remote node multiple issues were encountered and fixed.
[fix] other numerous fixes applied.
See for details: https://github.com/BeamMW/beam/projects/5