Interop: Bringing it up to speed with the latest nightlies. Interop now exposes the list of valid sample rates and framerates in Encoders.cs. Also fixing a problem with Custom anamorphic and maximum height.

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5593 b64f7644-9d1e-0410-96f1-a4d463321fa5