[FunnyOrDie] fix thumbnails + add test (fixes #2856)
[FunnyOrDie] simplify
Merge pull request #2859 from pulpe/FunnyOrDie_thumb

[FunnyOrDie] fix thumbnails + add test (fixes #2856)
[funnyordie] Extract more formats
Remove binary and auto-updating entry point
Remove update functionality
Update UA
Wait ~1 sec between HTTP requests to avoid getting CAPTCHAed by Google
For YouTube videos we already have, skip without even requesting video info
When continuing a YouTube download with --continue, skip it if the directory has any download with the same ID, even if it has a different filename.
Get directory listing only once
Really don't listdir more than once
Fix startup
Remove _ffmpeg_filename_argument obsoleted by new ffmpeg; delete DASH input files after merging; fix merging on Windows by using short paths; use ffmpeg output filename that doesn't look like a finished video until ffmpeg succeeds