aguidrevitch/jquery-file-upload-middleware — pull request #32 by naholyr (2013-10-18 07:58:14+00:00)
Title: Add option "extension" to "imageVersions" to convert upload

Automatically convert to given extension using following syntax:

```javascript
imageVersions: {
thumbnail: {
width: 80,
height: 80,
extension: "png"
}
}
```