Interop: Updated some structs to keep up with libhb. Exposed video quality limits. Exposed libhb language list. Suppressed a non-fatal avformat seek error. Fixed localization error in video rates list. Fixed missing sample rate for encoder-specific passthroughs. Fixed "disabled" quality level.

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5740 b64f7644-9d1e-0410-96f1-a4d463321fa5