old_contents: (function () {
  	function timecode() {
  		return function(timeInSeconds) {
  			
  			var seconds = Number.parseFloat(timeInSeconds);
  
  			if (Number.isNaN(seconds)) {
  				return '-:--';
  			}
  
              var wholeSeconds = Math.floor(seconds);
              var minutes = Math.floor(wholeSeconds / 60);
              
              var remainingSeconds = wholeSeconds % 60;
              var output = minutes + ':';
              
              if (remainingSeconds < 10) {
                  output += '0';   
              }
              
              output += remainingSeconds;
              return output;
          }
  	}
  
  	angular
  		.module('blocJams')
  		.filter('timecode', timecode);
  })();
new_contents: (function () {
  	function timecode() {
  		return function(timeInSeconds) {
  			return buzz.toTimer(timeInSeconds);
          }
  	}
  
  	angular
  		.module('blocJams')
  		.filter('timecode', timecode);
  })();
subject: Refactor timecode.js to use buzz object's toTimer method.