ruTorrent v5.2.1

This is a critical hotfix to resolve breakage of RSS feeds. It's highly recommended to upgrade.
In addition, the white border is fixed on dark themes. A stopped state is also added to torrents.

What's Changed

• Adding Stopped state by @ranirahn in #2893
• Fix for broken RSS feeds break the rutorrent. by @ranirahn in #2894
• Fix white border in dark themes by @drrako in #2898

Full Changelog: v5.2.0...v5.2.1