Major refactor of service libs, more tests

lib/services/beats/url.js

@@ -0,0 +1,11 @@
+"use strict";
+var parse = require('url').parse;
+
+module.exports.match = function(url) {
+  var parsed = parse(url);
+  if (!parsed.host.match(/beatsmusic\.com$/)) {
+    return false;
+  }
+  var matches = parsed.path.match(/\/albums[\/]+([^\/]+)(\/tracks\/)?([^\/]+)?/);
+  return matches.length > 1;
+};