Add more info about original wcwidth.c and include license

The 2007 version of wcwidth.c is now under Unicode as the 2001 was
Public Domain.
Note that this file still fails the krazy check as there isn't anything
there for Unicode license.

COPYING.Unicode

@@ -0,0 +1,61 @@
+EXHIBIT 1
+UNICODE, INC. LICENSE AGREEMENT - DATA FILES AND SOFTWARE
+
+    Unicode Data Files include all data files under the directories
+    http://www.unicode.org/Public/, http://www.unicode.org/reports/,
+    and http://www.unicode.org/cldr/data/. Unicode Data Files do not
+    include PDF online code charts under the directory
+    http://www.unicode.org/Public/. Software includes any source code
+    published in the Unicode Standard or under the directories
+    http://www.unicode.org/Public/, http://www.unicode.org/reports/,
+    and http://www.unicode.org/cldr/data/.
+
+    NOTICE TO USER: Carefully read the following legal agreement. BY
+    DOWNLOADING, INSTALLING, COPYING OR OTHERWISE USING UNICODE INC.'S
+    DATA FILES ("DATA FILES"), AND/OR SOFTWARE ("SOFTWARE"), YOU
+    UNEQUIVOCALLY ACCEPT, AND AGREE TO BE BOUND BY, ALL OF THE TERMS
+    AND CONDITIONS OF THIS AGREEMENT. IF YOU DO NOT AGREE, DO NOT
+    DOWNLOAD, INSTALL, COPY, DISTRIBUTE OR USE THE DATA FILES OR
+    SOFTWARE.
+
+    COPYRIGHT AND PERMISSION NOTICE
+
+    Copyright © 1991-2012 Unicode, Inc. All rights
+    reserved. Distributed under the Terms of Use in
+    http://www.unicode.org/copyright.html.
+
+    Permission is hereby granted, free of charge, to any person
+    obtaining a copy of the Unicode data files and any associated
+    documentation (the "Data Files") or Unicode software and any
+    associated documentation (the "Software") to deal in the Data
+    Files or Software without restriction, including without
+    limitation the rights to use, copy, modify, merge, publish,
+    distribute, and/or sell copies of the Data Files or Software, and
+    to permit persons to whom the Data Files or Software are furnished
+    to do so, provided that (a) the above copyright notice(s) and this
+    permission notice appear with all copies of the Data Files or
+    Software, (b) both the above copyright notice(s) and this
+    permission notice appear in associated documentation, and (c)
+    there is clear notice in each modified Data File or in the
+    Software as well as in the documentation associated with the Data
+    File(s) or Software that the data or software has been modified.
+
+    THE DATA FILES AND SOFTWARE ARE PROVIDED "AS IS", WITHOUT WARRANTY
+    OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+    WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
+    AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE
+    COPYRIGHT HOLDER OR HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR
+    ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR
+    ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+    PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+    TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+    PERFORMANCE OF THE DATA FILES OR SOFTWARE.
+
+    Except as contained in this notice, the name of a copyright holder
+    shall not be used in advertising or otherwise to promote the sale,
+    use or other dealings in these Data Files or Software without
+    prior written authorization of the copyright holder.
+
+    Unicode and the Unicode logo are trademarks of Unicode, Inc. in
+    the United States and other countries. All third party trademarks
+    referenced herein are the property of their respective owners.

src/konsole_wcwidth.cpp

@@ -60,6 +60,11 @@
  *
  * Latest version: http://www.cl.cam.ac.uk/~mgk25/ucs/wcwidth.c
  */
+/*
+ *  Adaptions for KDE by Waldo Bastian <bastian@kde.org> and
+ *    Francesco Cecconi <francesco.cecconi@gmail.com>
+ *  See COPYING.Unicode for the license for the original wcwidth.c
+ */
 
 // Own
 #include "konsole_wcwidth.h"