This is a work in progress as there still seem to be some bugs. For example,
some unit tests fail due to incorrect descriptions generated and others fail
due to a crash.

We use a separate `doc/requirements.txt` file for building the
documentation. Since on Read The Docs where we cannot install
packages depending on C libraries, we mock these packages in
`doc/conf.py` and omit them from the requirements.

Last remaining relevant todo notes have been filed as issues in GitLab.

See http://pytest.org/

Based on comments by Jeroen in issue #14.

See http://semver.org/

This is quite a large commit, touching many things related to developer
documentation. It is all focussed on getting as much of this as possible
into the new Sphinx-based documentation.

Some highlights:

- Start Sphinx-based developer documentation, including fairly complete
  instructions for installation and configuration.
- Remove epydoc API docs.
- Rework some docstrings to conform to reStructuredText, so they can be
  used in the API docs generated by Sphinx.
- Move all of the top-level text files to reStructuredText so they can
  linked from the Sphinx-based docs and for consistency.
- Remove many obsolete things from the extras/ directory, including old
  installation scripts and migrations.

Many of the installation related documentation and scripts are removed
or adapted in light of the new automated deployment using Ansible.

The paper (from `Mutalyzer 2.0/`) is now in the `mutalyzer-manuscript`
repository, while all presentations, posters and abstracts are now in
the `mutalyzer-presentations` repository.

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Added affiliations to the list of authors in the ESHG abstract.


git-svn-id: https://humgenprojects.lumc.nl/svn/mutalyzer/trunk@517 eb6bd6ab-9ccd-42b9-aceb-e2899b4a52f1

git-svn-id: https://humgenprojects.lumc.nl/svn/mutalyzer/trunk@516 eb6bd6ab-9ccd-42b9-aceb-e2899b4a52f1

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describe.py:
- Module that provides the Variant Description Extractor functions.

__init__.py:
- Added an automated copyright year update.

website.py:
- Added the Variant Description Extractor web interface.

templates/descriptionExtract.html:
-  Template page for the Variant Description Extractor.

templates/snp.html:
templates/menu.html:
templates/converter.html:
templates/index.html:
templates/parse.html:
- Cosmetic changes.

Added a presentation.



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