* Update cmus to v2.5.0
* Port the audioscrobbler patch to v2.5.0
* Add a patch from Arch Linux to port Opus support

	deleted:    audio/cmus/cmus-v2.3.5-audioscrobbler.patch.xz
	new file:   audio/cmus/cmus-v2.5.0-audioscrobbler.patch.xz
	renamed:    audio/cmus/cmus-v2.3.5-desktop.patch.xz -> audio/cmus/cmus-v2.5.0-desktop.patch.xz
	new file:   audio/cmus/cmus-v2.5.0-opussupport.patch.xz
	modified:   audio/cmus/cmus.build
* Add opusfile 0.2

	modified:   libs_audio/libopus/libopus.build