Fix inconsistent whitespace/indent in the Tika Detect test
Basic Opus packet handling, and from that Opus Tika Detection
Start on the basics of the Opus support
Refactor the Tika Vorbis parser, to pull out the bits that are common for Opus too
Support more of the Opus info packet
Support Opus in the general Ogg parser
Add a Tika parser for Opus
Add Opus information to the readme
Update the vendor string