README.md: Add document introducing ParaView and linking to resources

Add a README.md, CONTRIBUTING.md and Copyright.txt with some basic text
inspired from VTK's versions of the same.

CONTRIBUTING.md

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+Contributing to ParaView
+========================
+
+Our project uses GitLab for code review and Buildbot to test proposed
+patches before they are merged.  Please check our [ParaView Git][]
+instructions for details on developing and contributing to the project.
+
+Our [Wiki][] is used to document features, flesh out designs and host other
+documentation. We have several [Mailing Lists][] to coordinate development and
+to provide support.
+
+[ParaView Git]: Documentation/dev/git/README.md
+[Wiki]: http://www.paraview.org/Wiki/ParaView
+[Mailing Lists]: http://www.paraview.org/mailing-lists/

Copyright.txt

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+Copyright (c) 2005-2008 Sandia Corporation, Kitware Inc.
+Sandia National Laboratories, New Mexico PO Box 5800 Albuquerque, NM 87185
+Kitware Inc., 28 Corporate Drive, Clifton Park, NY 12065, USA
+
+Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive license
+for use of this work by or on behalf of the U.S. Government.
+
+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.
+
+* Neither the name of Kitware nor the names of any contributors may be used to
+  endorse or promote products derived from this software without specific prior
+  written permission.
+
+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 AUTHORS 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.

README.md

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+![ParaView](Documentation/img/paraview100.png)
+
+Introduction
+============
+ParaView is an open-source, multi-platform data analysis and
+visualization application. ParaView users can quickly build
+visualizations to analyze their data using qualitative and
+quantitative techniques. The data exploration can be done
+interactively in 3D or programmatically using ParaView's batch
+processing capabilities.
+
+ParaView was developed to analyze extremely large datasets using
+distributed memory computing resources. It can be run on
+supercomputers to analyze datasets of petascale size as well as
+on laptops for smaller data, has become an integral tool in many
+national laboratories, universities and industry, and has won
+several awards related to high performance computation.
+
+The ParaView code base is designed in such a way that all of its
+components can be reused to quickly develop vertical applications.
+This flexibility allows ParaView developers to quickly develop
+applications that have specific functionality for a specific problem
+domain. Under the hood, ParaView uses the Visualization Toolkit (VTK)
+as the data processing and rendering engine and has a user interface
+written using Qt.
+
+History
+========
+The ParaView project started in 2000 as a collaborative effort between
+Kitware Inc. and Los Alamos National Laboratory. The initial funding was
+provided by a three-year contract with the US Department of Energy ASCI
+Views program. The first public release, ParaView 0.6, was announced
+in October 2002.
+
+Independent of ParaView, Kitware started developing a web-based visualization
+system in December 2001. This project was funded by Phase I and II SBIRs from
+the US Army Research Laboratory and eventually became the ParaView Enterprise
+Edition. PVEE significantly contributed to the development of ParaView's
+client/server architecture.
+
+Since the beginning of the project, Kitware has successfully collaborated with
+Sandia, Los Alamos National Laboratories, the Army Research Laboratory and
+various other academic and government institutions to continue development.
+The project is still going strong!
+
+In September 2005, Kitware, Sandia National Labs and CSimSoft started the
+development of ParaView 3.0. This was a major effort focused on rewriting the
+user interface to be more user-friendly and on developing a quantitative
+analysis framework. ParaView 3.0 was released in May 2007.
+
+Learning Resources
+==================
+
+* General information is available at the [ParaView Homepage][].
+
+* Community discussion takes place on the [ParaView Mailing Lists][].
+
+* Commercial [support][Kitware Support] and [training][Kitware Training]
+  are available from [Kitware][].
+
+* Additional documentation including Doxygen-generated nightly
+  reference documentation is available [online][Documentation].
+
+[ParaView Homepage]: http://www.paraview.org
+[Documentation]: http://www.paraview.org/documentation/
+[ParaView Mailing Lists]: http://www.paraview.org/mailing-lists/
+[Kitware]: http://www.kitware.com/
+[Kitware Support]: http://www.kitware.com/products/support.html
+[Kitware Training]: http://www.kitware.com/products/protraining.php
+
+Reporting Bugs
+==============
+
+If you have found a bug:
+
+1. If you have a patch, please read the [CONTRIBUTING.md][] document.
+
+2. Otherwise, please join the one of the [ParaView Mailing Lists][] and ask
+   about the expected and observed behaviors to determine if it is
+   really a bug.
+
+3. Finally, if the issue is not resolved by the above steps, open
+   an entry in the [ParaView Issue Tracker][].
+
+[ParaView Issue Tracker]: http://www.paraview.org/Bug
+
+License
+=======
+
+ParaView is distributed under the OSI-approved BSD 3-clause License.
+See [Copyright.txt][] for details. For additional licenses, refer to
+[ParaView Licenses][].
+
+[Copyright.txt]: Copyright.txt
+[ParaView Licenses]: http://www.paraview.org/paraview-license/
+
+Contributing
+============
+
+See [CONTRIBUTING.md][] for instructions to contribute.
+
+[CONTRIBUTING.md]: CONTRIBUTING.md