哪一个版本的element-react可以兼容ie8？

### Description

react版本为 0.14.0

### Reproduce Steps

1. [First Step]
2. [Second Step]
3. [and so on...]

### Error Trace (if possible)

It's better to post up the error stack for us to trace this issue.

### Solution

What needs to be done to address this issue? Ideally, provide a pull request with a fix.

### Additional Information

Any additional information, configuration or data that might be necessary to reproduce the issue.