Update license urls (moderation task 3)

triplea-game/tools/LICENSE.txt

@@ -1,6 +1,6 @@
 
 
-From: https://www.gnu.org/licenses/gpl-3.0.txt
+From: https://github.com/triplea-game/triplea/blob/master/LICENSE
 
 LICENSE
 

triplea-game/triplea-game.nuspec

@@ -16,7 +16,7 @@
     <projectUrl>https://triplea-game.org/</projectUrl>
     <iconUrl>https://rawcdn.githack.com/triplea-game/triplea/44107944e9b7bfd541a6ffeb216ea5ac34feee7c/java-extras/src/main/resources/org/triplea/swing/ta_icon.png</iconUrl>
     <copyright>2019 TripleA Contributors</copyright>
-    <licenseUrl>https://github.com/triplea-game/triplea/blob/master/README.md#license</licenseUrl>
+    <licenseUrl>https://github.com/triplea-game/triplea/blob/master/LICENSE</licenseUrl>
     <requireLicenseAcceptance>true</requireLicenseAcceptance>
     <projectSourceUrl>https://github.com/triplea-game/triplea</projectSourceUrl>
     <docsUrl>https://triplea-game.org/user-guide/</docsUrl>