Added about.rst doc page

Author: inclement

doc/sources/about.rst

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+
+About pyknotid
+==============
+
+pyknotid has been developed as part of Leverhulme Trust Programme
+Grant RP2013-K-009: Scientific Properties of Complex Knots, a
+collaboration between the University of Bristol and Durham University
+in the UK. For more information, see the `SPOCK homepage
+<http://www.maths.dur.ac.uk/spock/index.html/>`__.
+
+A graphical interface to some of these tools is available online at
+`Knot ID <http://inclem.net/knotidentifier>`__.
+
+Cite us
+-------
+
+If you use pyknotid in your research, please cite us as follows:
+
+    A Taylor. pyknotid knot identification toolkit. https://github.com/SPOCKnots/pyknotid, accessed YYYY-MM-DD.
+
+In bibtex format::
+
+  @Misc{pyknotid,
+    author =    {Alexander Taylor},
+    title =     {pyknotid knot identification toolkit},
+    howpublished = {\url{https://github.com/SPOCKnots/pyknotid}},
+    note =      {Accessed YYYY-MM-DD},
+    year = 2017,
+  }
+
+