Heat Wallet 4.8.0

New features

• QR Code for BTC, ETH raw transaction bytes.
• Add separated dialog for fetching or pasting UTXO data (allows creation offline BTC transaction)
• Add starting splash window

Changes

• Do not display index of BTC address imported from private key
• Display BTC private keys in WIF format.
• Use BIP49 derivation for BTC segwit addresses.
• Add BIP44 indicator for wallet entries

Bug fixes and optimisations

• Fix title of eth transaction detail info
• Fix usage of btc address index for address imported from private key