[macOS] - fixed GUI disappearing after minimized
[macOS] - enabled notification center notifications
[macOS] - enable UPNP by default
[windows] - fixed unusable GUI on Windows 10 with High DPI monitors
[all] - fixed incorrect confirmation count in transaction details
[all] - make 'Generated But Not Accepted' error more clear
[all] - remove all IRC related code
[all] - fixed completely broken QR code support
[all] - changed txn type 'Mined' to 'Staked'
[all] - Clarify 'Spendable' & 'Stake' on Overview tab