Description is limited to 80 chars/line (lines 26 to 35 are longer but will be rendered in less than 80 chars)
UCM will still use Tags
Merge branch 'master' into 'master'

Master

[Previous merge request](https://gitlab.com/fdroid/fdroiddata/merge_requests/301)

Made whole new merge request, sorry if that's a bit dirty.

1) UCM stays as it is now.

2) I did reformat the description except for a couple of lines which I couldn't shorten. If you can fix them without breaking the bulletpoints, please do so.

3) Done

See merge request !308
QuickLyric: Fix description
Cache Cleaner: Fix build.
Periodic Table: Fix build.