Add NanoHTTPD license to docs

src/net/apocalypselabs/symat/help/licenses.html

@@ -186,6 +186,39 @@
             LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
             ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
             POSSIBILITY OF SUCH DAMAGE.</p>
+        <p><b>NanoHTTPD</b></p>
+        <p>
+            Copyright (c) 2012-2013 by Paul S. Hawke, 2001,2005-2013 by Jarno 
+            Elonen, 2010 by Konstantinos Togias All rights reserved.
+            <br />
+            Redistribution and use in source and binary forms, with or without 
+            modification, are permitted provided that the following conditions 
+            are met:
+            <br />
+            Redistributions of source code must retain the above copyright 
+            notice, this list of conditions and the following disclaimer.
+            <br />
+            Redistributions in binary form must reproduce the above copyright 
+            notice, this list of conditions and the following disclaimer in the 
+            documentation and/or other materials provided with the distribution.
+            <br />
+            Neither the name of the NanoHttpd organization nor the names of its 
+            contributors may be used to endorse or promote products derived from
+            this software without specific prior written permission.
+            <br />
+            THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
+            "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
+            LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 
+            FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 
+            COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+            INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+            BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
+            LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
+            CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+            LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 
+            ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
+            POSSIBILITY OF SUCH DAMAGE.
+        </p>
         <p><b>HtmlCleaner</b></p>
         <p>Copyright (c) 2006-2014, HtmlCleaner team.<br>
             All rights reserved.<br>