Rewrote mp3gain scripts to python-rgain.

mp3gain_album.sh

@@ -1,2 +1,3 @@
 #!/bin/sh
-mp3gain -k -p -a -s i *.mp3
+#mp3gain -k -p -a -s i *.mp3
+replaygain *.mp3

mp3gain_track.sh

@@ -1,2 +1,3 @@
 #!/bin/sh
-mp3gain -k -p -r -s i "$@"
+#mp3gain -k -p -r -s i "$@"
+replaygain --no-album "$@"

mp3gain_tracks.sh

@@ -1,6 +1,7 @@
 #!/bin/sh
 if [ "$#" = "0" ]; then
     echo "Usage: $0 file1 [file2 file3 ... fileN]"
+    echo "(Needs package python-rgain to be installed!)"
     exit 1
 fi
 
@@ -9,6 +10,7 @@ if [ -z "$CONCURRENCY_LEVEL" ]; then
 fi
 
 echo "Processing using $CONCURRENCY_LEVEL processes..."
-nice -n2 find "$@" -print0 | xargs -0 -P $CONCURRENCY_LEVEL -n 1 -I {} mp3gain -q -k -p -r -s i "{}"
+#nice -n2 find "$@" -print0 | xargs -0 -P $CONCURRENCY_LEVEL -n 1 -I {} mp3gain -q -k -p -r -s i "{}"
+nice -n2 find "$@" -print0 | xargs -0 -P $CONCURRENCY_LEVEL -n 1 -I {} replaygain --no-album "{}"
 
 echo "All done."