add utils.cmake file
refactor ffmpeg plugin CMakeLists
more CMake refactoring
more cleanup
remove PLUGIN_PATH (should use rpath)
remove config include files
don't search for m library
more build system refactoring
more cleanup
remove gnome find modules (use pkg-config instead)
status messages for ebur128 build
make this a warning
more CMake stuff
make it possible to disable plugins again
more build system refactoring
fix building of plugins
enable gtk2 and qt4 support to be turned off
don't remove mp3 padding (ffmpeg does that now)
don't support ancient ffmpeg anymore
simplify ffmpeg plugin