Update OneLoneCoder_PerlinNoise.cpp

OneLoneCoder_PerlinNoise.cpp

@@ -2,15 +2,32 @@
 OneLoneCoder.com - What Is Perlin Noise?
 "Mountains, Clouds, Worms Landscapes?" - @Javidx9
 
-Disclaimer
+License
-~~~~~~~~~~
+~~~~~~~
-I don't care what you use this for. It's intended to be educational, and perhaps
+Copyright (C) 2018  Javidx9
-to the oddly minded - a little bit of fun. Please hack this, change it and use it
+This program comes with ABSOLUTELY NO WARRANTY.
-in any way you see fit. BUT, you acknowledge that I am not responsible for anything
+This is free software, and you are welcome to redistribute it
-bad that happens as a result of your actions. However, if good stuff happens, I
+under certain conditions; See license for details. 
-would appreciate a shout out, or at least give the blog some publicity for me.
+Original works located at:
+https://www.github.com/onelonecoder
+https://www.onelonecoder.com
+https://www.youtube.com/javidx9
+
+GNU GPLv3
+https://github.com/OneLoneCoder/videos/blob/master/LICENSE
+
+From Javidx9 :)
+~~~~~~~~~~~~~~~
+Hello! Ultimately I don't care what you use this for. It's intended to be 
+educational, and perhaps to the oddly minded - a little bit of fun. 
+Please hack this, change it and use it in any way you see fit. You acknowledge 
+that I am not responsible for anything bad that happens as a result of 
+your actions. However this code is protected by GNU GPLv3, see the license in the
+github repo. This means you must attribute me if you use it. You can view this
+license here: https://github.com/OneLoneCoder/videos/blob/master/LICENSE
 Cheers!
 
+
 Background
 ~~~~~~~~~~
 Noise is random - a bad thing when trying to procedurally generate content. Perlin