[tremor] Recent Tremor commits

[Chris Gilbert]

Monty said:
> Hi folks,
>
> I rolled a number of small-file fixes and seeking optimizations from the
> mainline vorbisfile back into Tremor today.  It passes basic unit tests,
> but of course this is not the same as getting banged on by the
> collective entropy of the net.  Give it a whirl.
>
> Also, Tremor on mainline is now the first deployment of the
> experimental libogg2 memory management.  The intent here is to cut the
> memory requirements of stream buffering to the absolute minimum.  It
> also eliminates all memcopies between the various framing layers and
> buffer shifting within layers.  On desktop processors the very tiny
> benefit of eliminating the memory copies and shifts is offset by the
> somewhat higher code overhead of managing the buffers, but it will
> likely make some difference to embedded applications with slow memory.
>
> Have fun testing.  More tremor work is coming up this week!

Great stuff 8)

However one minor patch was needed to get it to compile, see attached.

Cheers,
Chris

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