Add upload method in Component. This method upload file in system tmp folder.
Improve upload action. This method now works and launch an event when the file is completely uploaded
Upload now return an array that contain information like in a classic upload
Add method to know if it is a Plupload request
Fix a bug with AuthComponent in PluploadController
Merge pull request #1 from occitech/UploadComponentMethod

Implement upload method in component