The text editor app will register this instead.
Also made "fileList" a non-private attribute to make it possible for
plugins to access the attached file list object.
- added unit tests for NewFileMenu
- use generateUrl for FileList.createFile and FileList.createDirectory
- added unit tests for FileList.createFile and FileList.createDirectory
John Molakvoæ (skjnldsv)
Vincent Petry