Release Nilearn 0.6.0 alpha (#2164)

* Updated .mailmap

* Updated contributors list

* Removed unsupported python versions from PyPI tags

* Added whats_new entry for PR #2167

* Updated Whats whats_new list of contributors

.mailmap

@@ -3,36 +3,42 @@ Alexandre Abadie <alexandre.abadie@inria.fr>
 Alexandre Abraham <abraham.alexandre@gmail.com>
 Alexandre Gramfort <alexandre.gramfort@inria.fr>
 Alexandre Savio <alexsavio@gmail.com>
+Andrés Hoyos Idrobo <ahoyosidrobo@gmail.com>
+Antoine Grigis <antoine.grigis@cea.fr>
 Arthur Mensch <arthur.mensch@gmail.com>
 Ben Cipollini <bcipolli@ucsd.edu>
 Bertrand Thirion <bertrand.thirion@inria.fr>
+Céline Delettre <cdelettre.tts@gmail.com>
 Chris Filo Gorgolewski <krzysztof.gorgolewski@gmail.com>
 Danilo Bzdok <danilobzdok@gmail.com>
 Demian Wassermann <demian.wassermann@inria.fr>
 Dimitri Papadopoulos Orfanos <dimitri.papadopoulos@cea.fr>
 Elvis Dohmatob <elvis.dohmatob@inria.fr>
 Fabian Pedregosa <f@bianp.net>
+Franz Liem <franz.liem@gmail.com>
 Gael Varoquaux <gael.varoquaux@normalesup.org>
+Greg Kiar <gkiar07@gmail.com>
 Jan Margeta <jmargeta@gmail.com>
 Jaques Grobler <jaquesgrobler@gmail.com>
 Jason Gors <jason.gors.work@gmail.com>
 Jona Sassenhagen <jona.sassenhagen@gmail.com>
 Jean Kossaifi <jean.kossaifi@gmail.com>
 Jean Remi King <jeanremi.king@gmail.com>
 Jeff Chiang <jeff.njchiang@gmail.com>
+Jerome-Alexis Chevalier <jerome-alexis.chevalier@inria.fr>
+Jerome Dockes <jerome@dockes.org>
 Julia Huntenburg <ju.huntenburg@gmail.com>
 J Necus <j.necus2@ncl.ac.uk>
 Kamalakar Daddy <dkamalakarreddy@gmail.com>
 Konstantin Shmelkov <konstantin.shmelkov@polytechnique.edu>
+Kshitij Chawla (kchawla-pi) <kc.insight.pi@gmail.com>
 Loïc Estève <loic.esteve@ymail.com>
 Martin Perez-Guevara <mperezguevara@gmail.com>
 Matthias Ekman <matthias.ekman@gmail.com>
-Mehdi Rahim <mehdi.rahim@cea.fr>
 Mehdi Rahim <mehdi.rahim@cea.fr> <mrahim@users.noreply.github.com>
 Michael Eickenberg <michael.eickenberg@gmail.com>
 Michael Hanke <michael.hanke@gmail.com>
 Michael Waskom <mwaskom@stanford.edu>
-Moritz Boos <moritz.boos@gmail.com>
 Moritz Boos <moritz.boos@gmail.com> <moritz.boos@uni-oldenburg.de>
 Óscar Nájera <najera.oscar@gmail.com>
 Philippe Gervais <philippe.gervais@inria.fr>

doc/whats_new.rst

@@ -1,6 +1,8 @@
 0.6.0a
 ======
 
+**Released October 2019**
+
 NEW
 ---
 
@@ -106,7 +108,43 @@ Fixes
   version 0.14.3 (instead of 0.8.1) by default, which includes corrected region label
   names along with 700 and 900 region parcelations.
 - Colormap creation functions have been updated to avoid matplotlib deprecation warnings
-  about colormap reversal
+  about colormap reversal.
+- Neurovault fetcher no longer fails if unable to update dataset metadata file due to faulty permissions.
+
+Contributors
+------------
+
+The following people contributed to this release (in alphabetical order)::
+
+	Alexandre Abraham
+	Alexandre Gramfort
+	Ana Luisa
+	Ana Luisa Pinho
+	Andrés Hoyos Idrobo
+	Antoine Grigis
+	BAZEILLE Thomas
+	Bertrand Thirion
+	Colin Reininger
+	Céline Delettre
+	Dan Gale
+	Daniel Gomez
+	Elizabeth DuPre
+	Eric Larson
+	Franz Liem
+	Gael Varoquaux
+	Gilles de Hollander
+	Greg Kiar
+	Guillaume Lemaitre
+	Ian Abenes
+	Jake Vogel
+	Jerome Dockes
+	Jerome-Alexis Chevalier
+	Julia Huntenburg
+	Kamalakar Daddy
+	Kshitij Chawla (kchawla-pi)
+	Mehdi Rahim
+	Moritz Boos
+	Sylvain Takerkart
 
 0.5.2
 =====

setup.py

@@ -78,9 +78,6 @@ def is_installing():
               'Operating System :: POSIX',
               'Operating System :: Unix',
               'Operating System :: MacOS',
-              'Programming Language :: Python :: 2',
-              'Programming Language :: Python :: 2.7',
-              'Programming Language :: Python :: 3.4',
               'Programming Language :: Python :: 3.5',
               'Programming Language :: Python :: 3.6',
               'Programming Language :: Python :: 3.7',