sound packages, and using "*.music" information
files for additional information music.
2) Removed old/unused plib sound support.
3) Moved all .ogg files to either data/music, or
to the tracks where they belong.
4) Moved fonts to data/fonts; wav to data/sfx,
po to data/po, herring to data/herrings,
models to data/models.
git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/trunk/supertuxkart@1652 178a84e3-b1eb-0310-8ba1-8eac791a3b58
