Move schemeunit to this repository.

This loses the history of these files, but that history is both
trivial (they're all 3-line files) and hard to merge.

schemeunit/LICENSE.txt

@@ -0,0 +1,11 @@
+schemeunit
+Copyright (c) 2010-2014 PLT Design Inc.
+
+This package is distributed under the GNU Lesser General Public
+License (LGPL).  This means that you can link this package into proprietary
+applications, provided you follow the rules stated in the LGPL.  You
+can also modify this package; if you distribute a modified version,
+you must distribute it under the terms of the LGPL, which in
+particular means that you must release the source code for the
+modified software.  See http://www.gnu.org/copyleft/lesser.html
+for more information.

schemeunit/gui.rkt

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+#lang racket/base
+(require rackunit/gui)
+(provide (all-from-out rackunit/gui))

schemeunit/info.rkt

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+#lang info
+
+(define collection "schemeunit")
+(define deps '("base"
+               "rackunit-lib"
+               "rackunit-gui"))
+
+(define pkg-desc "Legacy SchemeUnit testing framework")
+
+(define pkg-authors '(jay))

schemeunit/main.rkt

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+#lang racket/base
+(require rackunit)
+(provide (all-from-out rackunit))

schemeunit/text-ui.rkt

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+#lang racket/base
+(require rackunit/text-ui)
+(provide (all-from-out rackunit/text-ui))