Log Message:
Update to 1.3.5:

libvorbis 1.3.5 (unreleased) -- "Xiph.Org libVorbis I 20150105 \ 
(⛄⛄⛄⛄)"

* Tolerate single-entry codebooks.
* Fix decoder crash with invalid input.
* Fix encoder crash with non-positive sample rates.
# Fix issues in vorbisfile's seek bisection code.
* Spec errata.
* Reject multiple headers of the same type.
* Various build fixes and code cleanup.