Update change log with the news so far.
Update change log with the news so far.

svn path=/trunk/vorbis/; revision=13150

eidy/vorbis,ksophocleous/vorbis,felipebetancur/vorbis,mwgoldsmith/vorbis,eidy/vorbis,nicolaichuk/vorbis,ShiftMediaProject/vorbis,mwgoldsmith/vorbis,felipebetancur/vorbis,ksophocleous/vorbis,eidy/vorbis,ShiftMediaProject/vorbis,mwgoldsmith/vorbis,youfearm3/vorbis,erikd/vorbis,emscripten-ports/Vorbis,nicolaichuk/vorbis,felipebetancur/vorbis,ShiftMediaProject/vorbis,eidy/vorbis,erikd/vorbis,nicolaichuk/vorbis,emscripten-ports/Vorbis,emscripten-ports/Vorbis,ShiftMediaProject/vorbis,ShiftMediaProject/vorbis,erikd/vorbis,youfearm3/vorbis,mwgoldsmith/vorbis,emscripten-ports/Vorbis,ksophocleous/vorbis,youfearm3/vorbis,erikd/vorbis,felipebetancur/vorbis,ShiftMediaProject/vorbis,youfearm3/vorbis,ksophocleous/vorbis,nicolaichuk/vorbis