- general cleanup, adjust dependencies -> make build more deterministic
- enable AAC-support (link against libfaad2)
- disable sqlite support, as this is only used for the "sticker" feature
- make build depend on BUILD_PATENTED flag (affects aac/mp3 support)
- provide avahi service file for mpd to have some kind of mdns support
git-svn-id: svn://svn.openwrt.org/openwrt/packages@21054 3c298f89-4303-0410-b956-a3cf2f4a3e73
