title: How to support ES7 in ESLint
body: <p>I have a project setup with WebPack to use ESLint and I'm wanting to use ES7 for the inline bind operator <code>::</code>. Currently I'm getting the parse errors shown below</p>
  
  <pre><code>/Users/ryanvice/Documents/Code/pluralsight-redux-starter/src/components/project/ProjectsPage.js (1/0)
    ✖  7:27  Parsing error: Unexpected token :
  
  /Users/ryanvice/Documents/Code/pluralsight-redux-starter/src/routes.js (2/2)
    ✖  6:26  Parse errors in imported module './components/project/ProjectsPage': Unexpected token : (7:27)  import/namespace
    ✖  6:26  Parse errors in imported module './components/project/ProjectsPage': Unexpected token : (7:27)  import/default
    !  6:26  Parse errors in imported module './components/project/ProjectsPage': Unexpected token : (7:27)  import/no-named-as-default
    !  6:26  Parse errors in imported module './components/project/ProjectsPage': Unexpected token : (7:27)  import/no-named-as-default-member
  
  ✖ 3 errors ! 2 warnings (4:45:40 PM)
  </code></pre>
  
  <p>using the following <code>.eslintrc</code> configuration which include <code>"ecmaVersion": 7</code></p>
  
  <pre><code>{
    "extends": [
      "eslint:recommended",
      "plugin:import/errors",
      "plugin:import/warnings"
    ],
    "plugins": [
      "react"
    ],
    "parserOptions": {
      "ecmaVersion": 7,
      "sourceType": "module",
      "ecmaFeatures": {
        "jsx": true
      }
    },
    "env": {
      "es6": true,
      "browser": true,
      "node": true,
      "jquery": true,
      "mocha": true
    },
    "rules": {
      "quotes": 0,
      "no-console": 1,
      "no-debugger": 1,
      "no-var": 1,
      "semi": [1, "always"],
      "no-trailing-spaces": 0,
      "eol-last": 0,
      "no-unused-vars": 0,
      "no-underscore-dangle": 0,
      "no-alert": 0,
      "no-lone-blocks": 0,
      "jsx-quotes": 1,
      "react/display-name": [ 1, {"ignoreTranspilerName": false }],
      "react/forbid-prop-types": [1, {"forbid": ["any"]}],
      "react/jsx-boolean-value": 1,
      "react/jsx-closing-bracket-location": 0,
      "react/jsx-curly-spacing": 1,
      "react/jsx-indent-props": 0,
      "react/jsx-key": 1,
      "react/jsx-max-props-per-line": 0,
      "react/jsx-no-bind": 1,
      "react/jsx-no-duplicate-props": 1,
      "react/jsx-no-literals": 0,
      "react/jsx-no-undef": 1,
      "react/jsx-pascal-case": 1,
      "react/jsx-sort-prop-types": 0,
      "react/jsx-sort-props": 0,
      "react/jsx-uses-react": 1,
      "react/jsx-uses-vars": 1,
      "react/no-danger": 1,
      "react/no-did-mount-set-state": 1,
      "react/no-did-update-set-state": 1,
      "react/no-direct-mutation-state": 1,
      "react/no-multi-comp": 1,
      "react/no-set-state": 0,
      "react/no-unknown-property": 1,
      "react/prefer-es6-class": 1,
      "react/prop-types": 1,
      "react/react-in-jsx-scope": 1,
      "react/require-extension": 1,
      "react/self-closing-comp": 1,
      "react/sort-comp": 1,
      "react/wrap-multilines": 1
    }
  }
  </code></pre>