Install a release-notes oriented changelog.
Install a release-notes oriented changelog.

svn path=/trunk/ogg/; revision=7741

ShiftMediaProject/ogg,emscripten-ports/Ogg,emscripten-ports/Ogg,xiph/ogg,xiph/ogg,brion/ogg,eidy/libogg,felipebetancur/ogg,youfearm3/ogg,mwgoldsmith/ogg,nicolaichuk/ogg,felipebetancur/ogg,youfearm3/ogg,eidy/libogg,nicolaichuk/ogg,ksophocleous/ogg,ShiftMediaProject/ogg,ksophocleous/ogg,mwgoldsmith/ogg,brion/ogg