Merge pull request #230 from ant-design/upgrade-react-slick

upgrade react-slick to 0.7

components/carousel/index.jsx

-import Carousel from 'react-slick2';
+import Carousel from 'react-slick';
 import React from 'react';
 import assign from 'object-assign';
 

package.json

@@ -60,7 +60,7 @@
     "rc-tree": "~0.15.4",
     "rc-upload": "~1.3.1",
     "rc-util": "~2.0.3",
-    "react-slick2": "~0.6.6",
+    "react-slick": "~0.7.0",
     "reqwest-without-xhr2": "~2.0.2",
     "velocity-animate": "^1.2.2"
   },