Upgrade jstransform to 4.0

Also enables the object-concise-method transform for --harmony closes facebook#1438

Author: zpao

package.json

@@ -35,7 +35,7 @@
  "dependencies": {
  "commoner": "^0.9.2",
  "esprima-fb": "~3001.1.0-dev-harmony-fb",
- "jstransform": "~3.0.0"
+ "jstransform": "~4.0.0"
  },
  "devDependencies": {
  "benchmark": "~1.0.0",

vendor/fbtransform/visitors.js

@@ -1,6 +1,7 @@
 /*global exports:true*/
 var es6ArrowFunctions = require('jstransform/visitors/es6-arrow-function-visitors');
 var es6Classes = require('jstransform/visitors/es6-class-visitors');
+var es6ObjectConciseMethod = require('jstransform/visitors/es6-object-concise-method-visitors');
 var es6ObjectShortNotation = require('jstransform/visitors/es6-object-short-notation-visitors');
 var es6RestParameters = require('jstransform/visitors/es6-rest-param-visitors');
 var es6Templates = require('jstransform/visitors/es6-template-visitors');
@@ -13,6 +14,7 @@ var reactDisplayName = require('./transforms/reactDisplayName');
 var transformVisitors = {
  'es6-arrow-functions': es6ArrowFunctions.visitorList,
  'es6-classes': es6Classes.visitorList,
+ 'es6-object-concise-method': es6ObjectConciseMethod.visitorList,
  'es6-object-short-notation': es6ObjectShortNotation.visitorList,
  'es6-rest-params': es6RestParameters.visitorList,
  'es6-templates': es6Templates.visitorList,
@@ -24,6 +26,7 @@ var transformVisitors = {
  */
 var transformRunOrder = [
  'es6-arrow-functions',
+ 'es6-object-concise-method',
  'es6-object-short-notation',
  'es6-classes',
  'es6-rest-params',