Add licenses, too

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+The VIGRA Artistic License
+==========================
+(modeled after the Perl Artistic License)
+
+
+Preamble
+--------
+
+The intent of this document is to state the conditions under which 
+VIGRA may be copied, such that the author maintains some
+semblance of artistic control over the development of the library,
+while giving the users of the library the right to use and
+distribute VIGRA in a more-or-less customary fashion, plus the
+right to make reasonable modifications.
+
+
+Definitions
+-----------
+
+"Copyright Holder" of the VIGRA library is 
+Ullrich Koethe, Cognitive Systems Group, University of Hamburg, Germany.
+
+"Library" refers to the collection of files distributed by the
+Copyright Holder under the name "VIGRA" (including this 
+LICENSE file and all accompanying documentation), and derivatives of that 
+collection of files created through textual modification.
+
+"Standard Version" refers to the Library if it has not been
+modified, or has been modified in accordance with the wishes of the
+Copyright Holder as specified below.
+
+"You" is you, if you're thinking about using, copying, modifying or
+distributing this Library.
+
+"Freely Available" means that no fee is charged for the item.
+It also means that recipients of the item may redistribute it 
+under the same conditions they received it.
+
+"Reasonable copying fee" is whatever you can justify on the basis
+of media cost, duplication charges, time of people involved, and so
+on. (You will not be required to justify it to the Copyright Holder,
+but only to the computing community at large as a market that must
+bear the fee.)
+
+
+License terms
+-------------
+
+1. You may make and give away verbatim copies of the 
+   Standard Version of this Library without restriction, provided that
+   you duplicate all of the original copyright notices, this license,
+   and associated disclaimers. 
+
+2. The Standard Version of the Library may be distributed as part
+   of a collection of software, provided no more than a reasonable
+   copying fee is charged for the software collection.
+
+3. You may apply bug fixes and portability fixes
+   derived from the Public Domain or from the Copyright Holder. A
+   Library modified in such a way shall still be considered the
+   Standard Version.
+
+4. You may otherwise modify your copy of this Library in any way,
+   provided that you insert a prominent notice in each changed file
+   stating how and when you changed that file, and provided that you do
+   at least ONE of the following:
+
+    a. place your modifications in the Public Domain or otherwise
+       make them Freely Available, for example by allowing the Copyright 
+       Holder to include your modifications in the Standard Version of 
+       the Library.
+
+    b. use the modified Library only within your corporation or
+       organization. 
+
+    c. make other distribution arrangements with the Copyright
+       Holder.
+
+5. You may distribute programs which use this Library
+   in object code or executable form without restriction.
+
+6. Any object code generated as a result of using this Library 
+   does not fall under the copyright of this Library, but
+   belongs to whomever generated it, and may be sold commercially.
+
+7. The name of the Copyright Holder or the Library may not be used to 
+   endorse or promote products derived from this software without 
+   specific prior written permission.
+
+8. THIS LIBRARY IS PROVIDED AS IS AND WITHOUT ANY EXPRESS OR
+   IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+
+   IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY SPECIAL, 
+   INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND OR ANY DAMAGES
+   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+   OR NOT ADVISED OF THE POSSIBILITY OF SUCH DAMAGES, OR ON ANY
+   THEORY OF LIABILITY ARISING OUT OF OR IN CONNECTION WITH THE USE
+   OR PERFORMANCE OF THIS LIBRARY.