2005-04-12  Richard Hult  <richard@imendio.com>

	* data/glade/Makefile.am:
	* data/glade/column-dialog.glade:
	* src/Makefile.am:
	* src/planner-column-dialog.c:
	* src/planner-column-dialog.h: Add new dialog for editing the
	visible columns in the views.

	* data/ui/gantt-view.ui:
	* data/ui/task-view.ui: Add columns editor.

	* src/planner-gantt-view.c:
	* src/planner-task-view.c: Implement loading and saving of column
	visibility and widths.  Use the new dialog in the task and gantt
	views. Mark custom property columns and exclude them from the
	editor at least for now.

	* src/planner-resource-view.c: Mark custom property columns as
	such.

	* src/planner-task-tree.c: Make all the columns fixed width, set
	the id user data on them for column saving/loading. Also set min
	widths on all columns.

	* src/planner-window.c:
	* src/planner-main.c: Set the window icon by setting a default one
	instead of for each window.