feat(rules): add eslint v2.0.0-beta.1 rules

Author: SebastienElet

lib/common.js

@@ -216,6 +216,7 @@ module.exports = {
     'no-new-func': ERROR,
     'no-new-object': ERROR,
     'no-new-require': ERROR,
+    'no-new-symbol': ERROR,
     'no-obj-calls': ERROR,
     'no-octal': ERROR,
     'no-octal-escape': ERROR,
@@ -258,9 +259,11 @@ module.exports = {
     ],
     'no-useless-call': ERROR,
     'no-useless-concat': ERROR,
+    'no-useless-constructor': ERROR,
     'no-void': ERROR,
     'no-warning-comments': OFF,
     'no-with': ERROR,
+    'no-whitespace-before-property': WARN,
     'object-curly-spacing': [
       ERROR,
       'always',
@@ -303,6 +306,7 @@ module.exports = {
       { before: false, after: true },
     ],
     'sort-vars': OFF,
+    'sort-imports': OFF,
     'space-after-keywords': OFF,
     'space-before-blocks': [
       ERROR,