feat(package.json): upgrade to React@^0.14

* Closes #127, #102
* Ref #116

BREAKING CHANGE
* __React@^0.14__: upgrade React in peerDependencies
	* add __react-dom@^0.14__ to peerDependencies

Author: tomchentw

package.json

@@ -56,19 +56,22 @@
   },
   "homepage": "https://tomchentw.github.io/react-google-maps/",
   "devDependencies": {
-    "babel": "^5.1.13",
-    "babel-core": "^5.1.13",
-    "babel-eslint": "^4.0.5",
-    "eslint": "^1.0.0",
-    "eslint-plugin-react": "^3.2.0",
-    "tomchentw-npm-dev": "^3.0.0",
-    "rimraf": "^2.4.3"
+    "babel": "^5.8.23",
+    "babel-core": "^5.8.25",
+    "babel-eslint": "^4.1.3",
+    "eslint": "^1.6.0",
+    "eslint-plugin-react": "^3.5.1",
+    "react": "^0.14.0",
+    "react-dom": "^0.14.0",
+    "rimraf": "^2.4.3",
+    "tomchentw-npm-dev": "^3.1.0"
   },
   "dependencies": {
     "google-maps-infobox": "^1.1.13",
-    "invariant": "^2.1.0"
+    "invariant": "^2.1.1"
   },
   "peerDependencies": {
-    "react": "^0.13.0"
+    "react": "^0.14.0",
+    "react-dom": "^0.14.0"
   }
 }

src/creators/OverlayViewCreator.js

@@ -66,6 +66,7 @@ export default class OverlayViewCreator extends Component {
     };
 
     overlayView._renderContent = function () {
+      // FIXME: React@0.14
       React.render(
         Children.only(this.get("children")),
         this._containerElement

src/utils/setContentForOptionalReactElement.js

@@ -11,6 +11,7 @@ function renderElement (
     prevContent = document.createElement("div");
   }
 
+  // FIXME: React@0.14
   React.render(contentElement, prevContent);
   return prevContent;
 }