Removed the fork relationship from FTC SDK so that people can fork this repo without problem if they already had an FTC SDK fork.

doc/legal/AudioBlocksSounds.txt

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+The sound files listed below in this SDK were purchased from www.audioblocks.com under the 
+following license.
+
+    http://support.audioblocks.com/customer/en/portal/topics/610636-licensing-faq-s/articles
+
+    How am I allowed to use your content?
+    Last Updated: Aug 11, 2016 01:51PM EDT
+    Our content may be used for nearly any project, commercial or otherwise, including feature
+    films, broadcast, commercial, industrial, educational video, print projects, multimedia, 
+    games, and the internet, so long as substantial value is added to the content. (For example, 
+    incorporating an audio clip into a commercial qualifies, while reposting our audio clip on 
+    YouTube with no modification or no visual component does not.) Once you download a file it is 
+    yours to keep and use forever, royalty-	free, even if you change your subscription or cancel 
+    your account.
+
+List of applicable sound files
+
+	chimeconnect.wav
+        chimedisconnect.wav
+	errormessage.wav
+	warningmessage.wav

doc/legal/Exhibit A - LEGO Open Source License Agreement.txt

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+EXHIBIT A - LEGO® Open Source License Agreement
+
+The contents of the file 'nxtstartupsound.wav' contained in this SDK are subject to the 
+LEGO® Open Source License Agreement Version 1.0 (the "License"); you may not use this 
+file except in compliance with the License. You may obtain a copy of the License 
+at "LEGO Open Source License.pdf" contained in the same directory as this exhibit.
+
+Software distributed under the License is distributed on an "AS IS" basis, WITHOUT 
+WARRANTY OF ANY KIND, either express or implied. See the License for the specific 
+language governing rights and limitations under the License.
+
+The Original Code is <firmwareRoot>\AT91SAM7S256\Resource\SOUNDS\!Startup.rso.
+LEGO is the owner of the Original Code. Portions created by Robert Atkinson are 
+Copyright (C) 2015. All Rights Reserved.
+Contributor(s): Robert Atkinson.