pointed to real gems, added license information which was intended to…

… already be there

COPYRIGHT

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+OpenStax Services is Copyright Rice University, 2011-2013.
+
+Programmatic source files herein are licensed under the Affero General Public License 
+version 3 (the text of which can be found in the file GNU-AGPL-3.0 or online at 
+http://www.gnu.org/licenses/agpl-3.0-standalone.html), or any later version of 
+the AGPL, unless otherwise noted.  
+
+Per the license specified above, this program is free software.  This program is 
+distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without 
+even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
+See the aforementioned license for more details.
+
+Components of OpenStax Services, including Rails and JQuery, are
+licensed under the MIT/X11 license. All unmodified files from these and other 
+sources retain their original copyright and license notices: see the relevant 
+individual files.
+
+All non-programmatic portions of this site, including but not limited to logos,
+images, videos, marketing materials, and text copy, are Copyright Rice University, 
+All Rights Reserved.  Derivations of OpenStax Services may not use these materials
+without permission from Rice University.