[Patch]Iconview:save descending + directories first; sort by type improvement

[Anna Nymos]

The attached patch for konqueror iconview does the following:
- Save whether the items should be sorted ascending or descending
- Save whether directories should be sorted first (fixes http://bugs.kde.org/show_bug.cgi?id=62803)
Both is saved without user interaction the way it is also done with the sort criterion (using KonqPropsView).
- When sorting by filetype, always sort by name within one filetype (fixes http://bugs.kde.org/show_bug.cgi?id=58884)

Is it OK to commit this patch? I hopefully didn't break binary compatibility this time...

Regards,
Anna Nymos


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