[Kde-imaging] Small UI changes for the batch dialog

[Aurelien Gateau]

Hello,

I have a patch sitting on my hard disk with some small UI changes for the 
batch dialog.

It changes the dialog from this:

http://img151.imageshack.us/img151/1041/kipibatchdialogbefore0rw.png

To this:

http://img208.imageshack.us/img208/9271/kipibatchdialogafter9lr.png

Summary of changes:
- No more group box
- No more extra margin

Is it ok for you?

I would also like to:
- Get rid of the help button: I don't think it's usefull here because there is 
not a lot to explain when this dialog is shown.
- Set the listview to multiline, so that long messages get wrapped.

What do you think about this?

Aurélien