It had some leftover debug code that caused it to only convert the
first 10 recordings instead of all of them.
The name of the '.done' file is changed so the update will be re-run
automatically.
This adds the version number to the playback links so that
recordings select the correct version-specific playback support
files.
This script may be run automatically during upgrade; in that
case it should be run like
.../bbb-0.9-beta-recording-update --quiet
After copying recordings from an old BigBlueButton server, you
may want to manually re-run the script, and it takes the option
--force to recheck all recordings even if it has previously been
run.
