Bug#535957: clive: --format switch doesn't work anymore

[Toni Gundogdu]

A follow-up.

Fixed/changed in 2.2.3:
  * add --upgrade-config: convert 2.0/2.1 config to 2.2+ format
  * allow use of --format=(mp4|hd|hq|3gp) with youtube

git://repo.or.cz/clive.git