Add xoroshiro128+ and SplitMix64 licenses to dist

dist-files/README.rst

@@ -120,9 +120,11 @@ commit @GIT_COMMIT@ (@GIT_DESCRIBE@).
 Duktape is copyrighted by its authors (see ``AUTHORS.rst``) and licensed
 under the MIT license (see ``LICENSE.txt``).  String hashing algorithms are
 based on the algorithm from Lua (MIT license), djb2 hash, and Murmurhash2
-(MIT license).  Duktape module loader is based on the CommonJS module
-loading specification (without sharing any code), CommonJS is under the
-MIT license.
+(MIT license).  Pseudorandom number generator algorithms are based on
+Adi Shamir's three-op algorithm, xoroshiro128+ (public domain), and SplitMix64
+(public domain).  Duktape module loader is based on the CommonJS module
+loading specification (without sharing any code), CommonJS is under the MIT
+license.
 
 Have fun!
 

licenses/splitmix64.txt

@@ -0,0 +1,7 @@
+/*  Written in 2015 by Sebastiano Vigna ([email protected])
+
+To the extent possible under law, the author has dedicated all copyright
+and related and neighboring rights to this software to the public domain
+worldwide. This software is distributed without any warranty.
+
+See <http://creativecommons.org/publicdomain/zero/1.0/>. */

licenses/xoroshiro128plus.txt

@@ -0,0 +1,7 @@
+/*  Written in 2016 by David Blackman and Sebastiano Vigna ([email protected])
+
+To the extent possible under law, the author has dedicated all copyright
+and related and neighboring rights to this software to the public domain
+worldwide. This software is distributed without any warranty.
+
+See <http://creativecommons.org/publicdomain/zero/1.0/>. */

util/dist.py

@@ -727,7 +727,9 @@ def main():
     copy_files([
         'murmurhash2.txt',
         'lua.txt',
-        'commonjs.txt'
+        'commonjs.txt',
+        'xoroshiro128plus.txt',
+        'splitmix64.txt'
     ], 'licenses', os.path.join(dist, 'licenses'))
 
     # Merge debugger metadata.