0.20190810: change LICENSE to PDM 1.0

LICENSE

@@ -1,27 +1,30 @@
-Simplified BSD License
-http://www.opensource.org/licenses/bsd-license.html
-
-Copyright (c) 2018 zvezdochiot (https://github.com/zvezdochiot)
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
-    * Redistributions of source code must retain the above copyright
-      notice, this list of conditions and the following disclaimer.
-    * 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.
-
-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 OWNER 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.
+Public Domain Mark 1.0
+ No Copyright
+
+    This work has been identified as being free of known restrictions
+    under copyright law, including all related and neighboring rights.
+
+    You can copy, modify, distribute and perform the work, even for
+    commercial purposes, all without asking permission. See Other
+    Information below.
+
+ Other Information
+
+    The work may not be free of known copyright restrictions in all
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+
+    Persons may have other rights in or related to the work, such as
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+
+    In some jurisdictions moral rights of the author may persist beyond
+    the term of copyright. These rights may include the right to be
+    identified as the author and the right to object to derogatory
+    treatments.
+
+    Unless expressly stated otherwise, the person who identified the work
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+
+    When using or citing the work, you should not imply endorsement by
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