Updated gpl/commercial license and readme text for C/Python 8.0.21 release

Author: bkandasa

CHANGES.txt

@@ -3,7 +3,7 @@ MySQL Connector/Python 8.0 - Release Notes & Changes
 ====================================================
 
 MySQL Connector/Python
-Copyright (c) 2009, 2020, Oracle and/or its affiliates. All rights reserved.
+Copyright (c) 2009, 2020, Oracle and/or its affiliates.
 
 Full release notes:
  http://dev.mysql.com/doc/relnotes/connector-python/en/

LICENSE.txt

@@ -10,7 +10,7 @@ Introduction
    third-party software which may be included in this distribution of
    MySQL Connector/Python 8.0.
 
-   Last updated: May 2020
+   Last updated: June 2020
 
 Licensing Information
 
@@ -1237,6 +1237,31 @@ 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.
 
+Six
+
+   The following software may be included in this product:
+
+   Six
+Copyright (c) 2010-2020 Benjamin Peterson
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
 Commonly Used Licenses
 
 Artistic License (Perl) 1.0

README.txt

@@ -3,7 +3,7 @@ MySQL Connector/Python 8.0
 ==========================
 
 MySQL Connector/Python
-Copyright (c) 2009, 2020, Oracle and/or its affiliates. All rights reserved.
+Copyright (c) 2009, 2020, Oracle and/or its affiliates.
 
 License information can be found in the LICENSE.txt file.
 
@@ -29,7 +29,7 @@ They can be found in the examples/ directory.
 License
 =======
 
-Copyright (c) 2011, 2020, Oracle and/or its affiliates. All rights reserved.
+Copyright (c) 2011, 2020, Oracle and/or its affiliates.
 
 This is a release of MySQL Connector/Python, Oracle's Python driver for MySQL.