[+] Added automatic saving/loading of button position

[+] Added Configuration tray menu

[+] |-- Added 'Recenter BMP Button' command

[+] |-- Added 'Change Exports Folder' command

[+] |-- Added 'Set Custom Hotkey' command

[+] |-- Added 'Show Tooltip on File Save' option

[+] Added Affinity Forum link to About dialog and Online menu

[*] Updated copy command code for better reliability with Affinity Photo

[!] Fixed memory leak