Adds Rdio and Spotify support

lyrics

#!/bin/bash

services=(iTunes Rdio Spotify)
for service in "${services[@]}"; do
    if ps axco pid,command | grep -v grep | egrep "$service\$" > /dev/null; then
        state=`osascript -e "tell application \"$service\" to get player state as string"`
        if [ "$state" = "playing" ] ; then
            artist_name=`osascript -e"tell application \"$service\" to get artist of current track"`
            song_title=`osascript -e"tell application \"$service\" to get name of current track"`
            artist=`echo $artist_name | sed "s/[[:space:]]/%20/g"`
            title=`echo $song_title | sed "s/[[:space:]]/%20/g"`
            song=`curl -s "http://makeitpersonal.co/lyrics?artist=$artist&title=$title"`
            echo -e "Currently playing on $service\n\n$artist_name - $song_title\n$song" | less
        fi
    fi
done