Merge branch 'rel/3.1.0' into 'master'

Rel/3.1.0

See merge request fsl/fslpy!232

CHANGELOG.rst

@@ -2,8 +2,8 @@ This document contains the ``fslpy`` release history in reverse chronological
 order.
 
 
-3.1.0 (Under development)
--------------------------
+3.1.0 (Thursday 21st May 2020)
+------------------------------
 
 
 Added

fsl/version.py

@@ -47,7 +47,7 @@ import            re
 import            string
 
 
-__version__ = '3.1.0.dev0'
+__version__ = '3.2.0.dev0'
 """Current version number, as a string. """
 
 

requirements.txt

 h5py>=2.9
-nibabel>=2.3.1
+nibabel>=2.4
 numpy==1.*
 scipy>=0.18
 six==1.*