chore: upgrade react-slick in order to work with React@0.14.x

components/affix/index.jsx

@@ -89,8 +89,8 @@ let Affix = React.createClass({
 
   render() {
     const className = rcUtil.classSet({
-      [`${this.props.className}`]: this.props.className,
-      ['ant-affix']: this.state.affix
+      [this.props.className]: this.props.className,
+      'ant-affix': this.state.affix
     });
 
     return (

package.json

@@ -60,7 +60,7 @@
     "rc-tree": "~0.15.4",
     "rc-upload": "~1.6.4",
     "rc-util": "~2.0.3",
-    "react-slick": "~0.7.0",
+    "react-slick": "~0.8.0",
     "reqwest-without-xhr2": "~2.0.2",
     "util-deprecate": "~1.0.1",
     "velocity-animate": "~1.2.2"