import readme and legal stuff

COPYING.txt

@@ -0,0 +1,54 @@
+------------------------------------------------------- Unvanquished License ---
+Unvanquished is licensed in two broadly separate sections: the code and the
+media.
+
+The code is licensed under the GNU GENERAL PUBLIC LICENSE. This license is
+contained in full in the file named GPL. Please be aware of the exceptions to
+this license as listed below.
+
+The media is licensed under the CREATIVE COMMONS ATTRIBUTION-SHAREALIKE 2.5
+LICENSE. Please read http://creativecommons.org/licenses/by-sa/2.5/ to learn
+more about this license. The full license text is contained in the file named
+CC. Please be aware of the exceptions to this license as listed below.
+
+---------------------------------------------------- Code License Exceptions ---
+The following files contain sections of code that are not licensed under the
+GPL, but are nevertheless GPL compatible. The license text for these licenses
+is contained within the files as listed.
+
+    src/cgame/cg_api.cpp                                         BSD license
+
+--------------------------------------------------- Media License Exceptions ---
+All shaderlab (http://www.shaderlab.com/) textures (by Randy 'ydnar' Reddig)
+are subject to the following license:
+  Usage and redistribution policy: Textures may be freely downloaded, modified,
+  and used in free maps, mods or total conversions provided this copyright
+  notice is left intact and a link to Shaderlab is provided in the credits or
+  read-me file. Other non-commercial applications are considered on a
+  case-by-case basis via e-mail. All other usage requires written permission.
+  Bulk redistribution or archival of the textures in any medium, digital or
+  otherwise (except mapping packages for mods) is prohibited.
+
+--------------------------------------------------------------------------------
+
+
+------------------------------------------------------ ET-XreaL Code License ---
+The ET-XreaL code is licensed under the GNU GENERAL PUBLIC LICENSE. This
+license is contained in full in the file named GPL.txt. Please be aware of
+the exceptions to this license as listed below.
+
+-------- Code License Exceptions - The parts that are not covered by the GPL ---
+See GPL.txt for the GNU GENERAL PUBLIC LICENSE
+
+ADDITIONAL TERMS: The Wolfenstein: Enemy Territory GPL Source Code is also
+subject to certain additional terms. You should have received a copy of
+these additional terms immediately following the terms and conditions of the
+GNU GPL which accompanied the Wolf ET Source Code. If not, please request a
+copy in writing from id Software at id Software LLC, c/o ZeniMax Media Inc.,
+Suite 120, Rockville, Maryland 20850 USA.
+
+EXCLUDED CODE: The code described below and contained in the Wolfenstein:
+Enemy Territory GPL Source Code release is not part of the Program covered
+by the GPL and is expressly excluded from its terms. You are solely
+responsible for obtaining from the copyright holder a license for such code
+and complying with the applicable license terms.