* */*.cs : add lgpl license blurb and clean up (c)'s.
* */*.custom : add lgpl license blurb and clean up (c)'s.
* */glue/*.c : add lgpl license blurb and clean up (c)'s.
file adds without license from now on are punishable by wedgie.
svn path=/trunk/gtk-sharp/; revision=30401
* gtk/ITreeNode.cs : make Parent readonly
* gtk/TreeNode.cs : use an internal method to set parent on the
child, and set child.Parent to null in RemoveChild.
svn path=/trunk/gtk-sharp/; revision=19651