Disable the new 360p and 160p ogv sizes for now

still unreliable, it doesn't see if they're not done yet
Don't try to load brokent ranscodes
Retool decoder loop to handle multiple packets per page properly

This was causing two problems, it looks like:
* progressive slowdown in IE (due to stuffing packets into a growing buffer triggering slow memcpy operations on realloc)
* early end of file
Fix for audio files
fix search 'enter' key in IE
Merge branch 'master' into tremor