update FAQ and README

FAQ.md

@@ -7,6 +7,16 @@
 <el-button @click.native="handleButtonClick">Click Me</el-button>
 ```
 
+### 如何在 Table 组件的每一行添加操作该行数据的按钮？
+
+使用 inline-template 即可：
+```html
+<el-table-column label="操作" inline-template>
+  <el-button @click.native="showDetail(row)">查看详情</el-button>
+</el-table-column>
+```
+参数 `row` 即为对应行的数据。
+
 ### 你们的文档怎么偷偷更新了？
 
 我们只会在 Element 发布新版本时同步更新文档，以体现最新的变化。详细的更新内容可以查看 [changelog](https://github.com/ElemeFE/element/blob/master/CHANGELOG.md)。
@@ -28,7 +38,7 @@
 
 ### 将 Element 克隆至本地，运行时为何会报错/跑不起来？
 
-首先，确保克隆的是 master 分支的最新代码，并且文件完整。其次，确保本地的 node 版本在 4.0 以上，npm 版本在 3.0 以上。最后，请按照 README 的方法启动开发环境：
+首先，确保克隆的是 master 分支的最新代码，并且文件完整。其次，确保本地的 node 版本在 4.0 以上，npm 版本在 3.0 以上。最后，可以启动开发环境：
 
 ```bash
 npm run dev

README.md

@@ -73,15 +73,9 @@ Vue.component(Button.name, Button)
 Modern browsers and Internet Explorer 9+.
 
 ## Development
-Recommend: node >= 4 npm >= 3
+Skip this part if you just want to use Element.
 
-```shell
-# development => install packages -> build icon etc. -> run webpack
-$ npm run dev
-
-# build => build all component
-$ npm run dist
-```
+For those who are interested in contributing to Element, please refer to our [contributing guide](https://github.com/ElemeFE/element/blob/master/.github/CONTRIBUTING.md) to see how to run this project.
 
 ## Other links
 - Starter Kit
@@ -97,6 +91,9 @@ $ npm run dist
 ## Changelog
 Detailed changes for each release are documented in the [release notes](https://github.com/ElemeFE/element/releases).
 
+## FAQ
+We have collected some [frequently asked questions](https://github.com/ElemeFE/element/blob/master/FAQ.md). Before reporting an issue, please search if the FAQ has the answer to your problem.
+
 ## Contribution
 Please make sure to read the [Contributing Guide](https://github.com/ElemeFE/element/blob/master/.github/CONTRIBUTING.md) before making a pull request.