Added ReadMe and updated GPL 3 license

Author: kblaschke

AUTHORS

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+projectM & libvisual plug-in authors
+====================================
+
+**Main author, project leader:**  
+- Dennis Smit <ds@nerds-incorporated.org>
+
+**Developers:**  
+- Duilio J. Protti <dprotti@users.sourceforge.net>
+- Vitaly V. Bursov <vitalyb@mail333.com>
+- Gustavo Sverzut Barbieri <gsbarbieri@yahoo.com.br> (From freevo)
+
+**The original JESS work:**  
+- Remi Arquier <arquier@crans.org>
+
+**The original Infinity work:**  
+Julien Carme <julien.carme@acm.org>
+
+**The original lv_gltest work, which is the gl analyzer from xmms:**  
+- Peter Alm
+- Mikael Alm
+- Olle Hallnas
+- Thomas Nilsson
+- 4Front Technologies
+
+### Nebulus  
+
+**Current maintainer, port to libvisual, cleanups, fixes, additions by:**  
+- Dennis Smit <synap@nerds-incorporated.org>
+
+**The previous maintainer and hackers:**  
+- Pascal Brochart <pbrochart@tuxfamily.org>
+- tunnel effect derived from the tides of time by   
+  Mirko Teran-Ravnikar <mirko.teran@guest.arnes.si>
+- child effect derived from the star child demo by  
+  Andreas Gustafsson <sdw@lysator.liu.se>
+- energy effect derived from the tesla demo by  
+  Konrad "Yoghurt" Zagorowicz (sunflower)
+- knot effect derived from the knot another torus demo by   
+  Jan Horn <jhorn@global.co.za>
+- tentacles derived from the biohazard demo by  
+  Jan Horn <jhorn@global.co.za>
+- spectrum analyzer derived from the spectrum plugin by  
+  the XMMS team
+- face effect derived from the radial blur demo by    
+  Dario Corno / Jeff Molofee
+- and converted to delphi by  
+  Jan Horn <jhorn@global.co.za>
+- twist effect derived from the twisting cylinder by  
+  Andreas Gustafsson <sdw@lysator.liu.se>
+- beat detection written by  
+  Steve Kirkendall <kirkenda@cs.pdx.edu>
+- Delphi/C | C++/C conversion by  
+  Pascal Brochart <pbrochart@tuxfamily.org>
+
+**Corona:**  
+- Richard Asbury <richard.asbury@lincoln.oxon.net>
+
+**Linux port by:**
+- Jean-Christophe Hoelt <jeko@ios-software.com>
+
+**Many thanks for quality suggestions and input:**
+- Jean-Christophe Hoelt <jeko@ios-software.com> (Goom2 main author)
+