old_contents: var Path = require('path'),
      AssetGraph = module.exports = require('assetgraph');
  
  // Get the spriteBackgroundImages transform from assetgraph-sprite if available:
  var spriteBackgroundImages;
  try {
      spriteBackgroundImages = require('assetgraph-sprite');
  } catch (e) {
      spriteBackgroundImages = function () {
  	console.warn("assetgraph-sprite is not available, skipping the spriteBackgroundImages transform");
  	return function spriteBackgroundImagesDisabled(assetGraph) {};
      };
  }
  AssetGraph.registerTransform(spriteBackgroundImages, 'spriteBackgroundImages');
  
  // Register ./transforms/*:
  
  require('fs').readdirSync(Path.resolve(__dirname, 'transforms')).forEach(function (fileName) {
      AssetGraph.registerTransform(Path.resolve(__dirname, 'transforms', fileName));
  });
  
new_contents: var Path = require('path'),
      AssetGraph = module.exports = require('assetgraph');
  
  // Get the spriteBackgroundImages transform from assetgraph-sprite if available:
  var spriteBackgroundImages;
  try {
      spriteBackgroundImages = require('assetgraph-sprite');
  } catch (e) {
      spriteBackgroundImages = function () {
          console.warn('assetgraph-sprite is not available, skipping the spriteBackgroundImages transform');
          return function spriteBackgroundImagesDisabled(assetGraph) {};
      };
  }
  AssetGraph.registerTransform(spriteBackgroundImages, 'spriteBackgroundImages');
  
  // Register ./transforms/*:
  
  require('fs').readdirSync(Path.resolve(__dirname, 'transforms')).forEach(function (fileName) {
      AssetGraph.registerTransform(Path.resolve(__dirname, 'transforms', fileName));
  });
  
subject: fix jslint errors and replace tabs with spaces