Syncplay 1.7.1 RC1

Headline additions:

• Adding --interface-ipv4 and --interface-ipv6 command line switches to server to allow better control over binding to interfaces (#582 by @powerjungle)
• Now offering a SyncplayConsole.exe bundle. This is a command line version of the Syncplay client for Windows (#630 / #450 suggested by @siferati and coded by @Et0h).

Tweaks:

• Re-work readiness notifications for non-operators (#607 raised by @BlepBlep and resolved by @Et0h)

Bug fixes:

• Fix ArchLinux GUI TypeError (#600 raised by @YamiDoesDev and resolved by @Et0h)
• Playlist restoration should not undo clearing actions (#609 raised by @gavtroy and resolved by @Et0h)
• Support player arguments like --no-border in mpv (#616 raised by @ducreyna and resolved by @Et0h)
• Ensure MPC-HC resets position on playlist change (#618 raised by @mbalandis and resolved by @Et0h)
• Define desktop filename for Wayland compliance to fix icon (#627 by @z411)