DOC: include all copyright information in greyed box.

Author: Ben Cipollini

COPYING

@@ -128,27 +128,29 @@ In ``nibabel/externals/ordereddict.py``
 
 Copied from: https://pypi.python.org/packages/source/o/ordereddict/ordereddict-1.1.tar.gz#md5=a0ed854ee442051b249bfad0f638bbec
 
-Copyright (c) 2009 Raymond Hettinger
-
-Permission is hereby granted, free of charge, to any person
-obtaining a copy of this software and associated documentation files
-(the "Software"), to deal in the Software without restriction,
-including without limitation the rights to use, copy, modify, merge,
-publish, distribute, sublicense, and/or sell copies of the Software,
-and to permit persons to whom the Software is furnished to do so,
-subject to the following conditions:
-
-    The above copyright notice and this permission notice shall be
-    included in all copies or substantial portions of the Software.
-
-    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
-    OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-    NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
-    HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-    WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-    OTHER DEALINGS IN THE SOFTWARE.
+::
+
+  Copyright (c) 2009 Raymond Hettinger
+
+  Permission is hereby granted, free of charge, to any person
+  obtaining a copy of this software and associated documentation files
+  (the "Software"), to deal in the Software without restriction,
+  including without limitation the rights to use, copy, modify, merge,
+  publish, distribute, sublicense, and/or sell copies of the Software,
+  and to permit persons to whom the Software is furnished to do so,
+  subject to the following conditions:
+
+      The above copyright notice and this permission notice shall be
+      included in all copies or substantial portions of the Software.
+
+      THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+      EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+      OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+      NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+      HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+      WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+      FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+      OTHER DEALINGS IN THE SOFTWARE.
 
 mni_icbm152_t1_tal_nlin_asym_09a
 --------------------------------
@@ -158,6 +160,8 @@ The file ``doc/source/someone.nii.gz`` is a subsampled version of the file
 archive ``mni_icbm152_t1_tal_nlin_asym_09a``.  The original image has the
 following license (where 'softwware' refers to the image):
 
+::
+
     Copyright (C) 1993-2004 Louis Collins, McConnell Brain Imaging Centre,
     Montreal Neurological Institute, McGill University.
 
@@ -218,6 +222,8 @@ In ``nibabel/externals/six.py``
 
 Copied from: https://pypi.python.org/packages/source/s/six/six-1.3.0.tar.gz#md5=ec47fe6070a8a64c802363d2c2b1e2ee
 
+::
+
     Copyright (c) 2010-2013 Benjamin Peterson
 
     Permission is hereby granted, free of charge, to any person obtaining a copy of