Adding Columbia logo to sponsors listing (scikit-learn#7964)

Author: amueller

doc/about.rst

@@ -87,14 +87,15 @@ funded one year for a developer to work on the project full-time
    :target: http://www.datascience-paris-saclay.fr
 
 `NYU Moore-Sloan Data Science Environment <http://cds.nyu.edu/mooresloan/>`_
-funds Andreas Mueller (2014-2015) to work on this project. The Moore-Sloan Data Science
+funded Andreas Mueller (2014-2016) to work on this project. The Moore-Sloan Data Science
 Environment also funds several students to work on the project part-time.
 
 .. image:: images/nyu_short_color.png
    :width: 200pt
    :align: center
    :target: http://cds.nyu.edu/mooresloan/
 
+
 `Télécom Paristech <http://www.telecom-paristech.com>`_ funds Manoj Kumar (2014),
 Tom Dupré la Tour (2015), Raghav RV (2015-2016) and Thierry Guillemot (2016) to
 work on scikit-learn.
@@ -104,6 +105,14 @@ work on scikit-learn.
    :align: center
    :target: http://www.telecom-paristech.fr/
 
+
+`Columbia University <http://columbia.edu>`_ funds Andreas Mueller since 2016.
+
+.. image:: themes/scikit-learn/static/img/columbia.png
+   :width: 100pt
+   :align: center
+   :target: http://www.columbia.edu/
+
 The following students were sponsored by `Google <https://developers.google.com/open-source/>`_
 to work on scikit-learn through the
 `Google Summer of Code <https://en.wikipedia.org/wiki/Google_Summer_of_Code>`_

doc/index.rst

@@ -330,6 +330,7 @@
                    <img id="index-funding-logo-small" src="_static/img/telecom.png" title="Télécom ParisTech" style="max-height: 36px">
                    <img id="index-funding-logo-small" src="_static/img/FNRS-logo.png" title="FNRS">
                    <img id="index-funding-logo-small" src="_static/img/nyu_short_color.png" title="NYU CDS">
+                   <img id="index-funding-logo-small" src="_static/img/columbia.png" title="Columbia University" style="max-height: 36px;">
                  </a>
              </div>
              <div class="span3">