* Update build to latest standards

	modified:   libs_audio/celt/celt.build
* Update build to latest standards
* Install the frontend man page

	modified:   libs_audio/faad/faad.build
	new file:   libs_audio/faad/faad2-2.7-installman.patch.xz
* Update the build to latest standards
* Don't build examples because one fails

	new file:   libs_audio/flac/flac-1.2.1-noexamples.patch.xz
	modified:   libs_audio/flac/flac.build