update upload demos

components/upload/demo/picture-card.md

@@ -1,6 +1,6 @@
 ---
 order: 8
-title: 
+title:
   zh-CN: 图片卡片样式
   en-US: Pictures with card tyle
 ---
@@ -50,7 +50,7 @@ const ImageUploadList = React.createClass({
       <div className="clearfix">
         <Upload {...props}>
           <Icon type="plus" />
-          <div className="ant-upload-text">upload pictures</div>
+          <div className="ant-upload-text">Upload</div>
         </Upload>
         <a href="https://os.alipayobjects.com/rmsportal/NDbkJhpzmLxtPhB.png" target="_blank" rel="noopener noreferrer" className="upload-example">
           <img alt="example" src="https://os.alipayobjects.com/rmsportal/NDbkJhpzmLxtPhB.png" />

components/upload/demo/picture-style.md

@@ -14,7 +14,6 @@ title:
 If uploade file is picture, a thumbnail can be shown. `IE8/9` do not support local thumbnail show. Please use `thumbUrl` instead.
 
 
-
 ````jsx
 import { Upload, Button, Icon } from 'antd';
 

components/upload/index.en-US.md

@@ -4,7 +4,7 @@ type: Form Controls
 english: Upload
 ---
 
-Upload file by selecting or dragging
+Upload file by selecting or dragging.
 
 ## When To Use
 
@@ -14,7 +14,6 @@ Uploading is the process of publishing information (web pages, text, pictures, v
 - When you need to show the process of uploading.
 - When you need to upload files by dragging and dropping.
 
-
 ## API
 
 | Property       | Description                                    | Type        | Default|
@@ -53,13 +52,13 @@ When uploading state change, it returns:
 
    ```js
    {
-      uid: 'uid',      // unique identifier，negative is recommend，to prevent interference with internal generated id 
+      uid: 'uid',      // unique identifier，negative is recommend，to prevent interference with internal generated id
       name: 'xx.png'   // file name
       status: 'done',  // options：uploading, done, error, removed
       response: '{"status": "success"}',  // response from server
    }
    ```
-	
+
    > Before `antd@1.9.0`, this parameter will be Array Object `[file, ...]` in multiple mode, while in `antd@1.9.0+`, it will always be an Object.
 
 2. `fileList` current list of files