Merge pull request airbnb#372 from 0xCMP/patch-1

Update .eslintrc with other react class properties

Author: justjake

linters/.eslintrc

@@ -191,16 +191,21 @@
     "react/sort-comp": [2, {
       "order": [
         "displayName",
+        "propTypes",
+        "contextTypes",
+        "childContextTypes",
         "mixins",
         "statics",
-        "propTypes",
+        "defaultProps",
         "getDefaultProps",
         "getInitialState",
+        "getChildContext",
         "componentWillMount",
         "componentDidMount",
         "componentWillReceiveProps",
         "shouldComponentUpdate",
         "componentWillUpdate",
+        "componentDidUpdate",
         "componentWillUnmount",
         "/^on.+$/",
         "/^get.+$/",