Change tutorial and example code from public domain to CC0

• Contact: jodygarnett
• Tracker: https://osgeo-org.atlassian.net/browse/GEOT-7094
• TLDR: Use CC0 for tutorials and sample code in documentation
• Branch: https://github.com/jodygarnett/geotools/tree/docs_tutorial_projects

Description

Change to headers to indicate CC0 License:

/*
 * GeoTools Sample code and Tutorials by Open Source Geospatial Foundation, and others
 * https://docs.geotools.org
 * 
 * To the extent possible under law, the author(s) have dedicated all copyright
 * and related and neighboring rights to this software to the public domain worldwide.
 * This software is distributed without any warranty.
 * 
 * You should have received a copy of the CC0 Public Domain Dedication along with this
 * software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
 */

The developers guide will need to be updated also, and the CC0 License can be included with tutorials in GitHub.

Assigned to Release

GeoTools 27.x

Status

Choose one of:

• Under Discussion
• In Progress
• Completed
• Rejected,
• Deferred

Voting:

• Andrea Aime: +1
• Ian Turton: +1
• Jody Garnett: +1
• Nuno Oliveira:
• Simone Giannecchini:
• Torben Barsballe: +1

Tasks

1. Update documentation java file headers
2. Documentation changes
   • Update developers guide
3. Check if docs can skip QA check for LGPL headers? No need the header is close enough ...

Result: https://github.com/geotools/geotools/pull/3823

API Change

Before:

/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    <http://geotools.org>
 *
 *    (C) 2016, Open Source Geospatial Foundation (OSGeo)
 *
 *    This file is hereby placed into the Public Domain. This means anyone is
 *    free to do whatever they wish with this file. Use it well and enjoy!
 */

After:

/*
 * GeoTools Sample code and Tutorials by Open Source Geospatial Foundation, and others
 * https://docs.geotools.org
 * 
 * To the extent possible under law, the author(s) have dedicated all copyright
 * and related and neighboring rights to this software to the public domain worldwide.
 * This software is distributed without any warranty.
 * 
 * You should have received a copy of the CC0 Public Domain Dedication along with this
 * software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
 */