added cdk to deps and building fileapprove

deps/cdk-5.0-20161210/TODO

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+Cdk To-Do List
+Copyright Mike Glover, 1995, 1996, 1997, 1998, 1999
+------------------------------------------------------------------------------
+
+There are a few things that I am either currently working on, or going to 
+work on in the near future. They are:
+
+	* Add more functions to the drawing routines. (yadda, yadda, yadda...)
+	* Working on a tree widget...
+	* Working on a tab list widget...
+	* I would like to be able to have a captive shell widget. This
+	would allow you to start a subshell and have the user interact 
+	with a spawned command via the captive shell. This would allow
+	you to spawn an interactive command through the widget. If any
+	one knows how to do this, please mail me. Maybe we'll work this
+	through.  (I WOULD LOVE TO ADD THIS, IF ANYONE HAS ANY IDEAS
+	PLEASE MAIL ME)
+	* I am thinking about adding an X windows element to Cdk using 
+	the Xforms library, because it seems to have roughly the same
+	widgets as I do. The plan is to have a simple environment variable
+	which tells the program what you want curses/X windows. We'll
+	see how this goes.
+	* I am going to (in the next revision), make the Cdk library more
+	X like with the ability to set/get attributes of the widgets via
+	functions. The proposed method is something like :
+
+	value = CdkEntryGetXXX (widget)
+	CdkEntrySetXXX (widget, value)
+
+	Where XXX is a property of the widget. It would be nice to create
+	a singlar widget type (CdkWidget) and to have generic functions
+	set/get the properties. (this is all being thought of to phase
+	in the X/Cdk idea mentioned above.)
+	* I'm also working on fixing the way the default callback function
+	for the widget editing functions is called. (i know this is brief,
+	but it's there more to remind me of an idea which was spurred on by
+	someone else's suggestion.)
+	* Version 5 should have the ability to properly attach widgets
+	together via constraints, positioning within forms, etc... The
+	next inception should make it simpler to create home-grown widgets.
+	(Version 5 may also only support Ncurses because I'm losing a lot
+	of functionality by being backward compatible.)
+
+If you want to get a hold of me mail me at one of the following:
+        glover@credit.erin.utoronto.ca
+	mike@vexus.ca
+
+The CDK Web page has several homes. They are:
+        http://www.vexus.ca/CDK.html (official)
+        http://www.datasoft.on.ca/~cdk (Sponsored by the nice folks at Datasoft)
+
+ttfn,
+	Mike