rel(0.1.6): update CHANGES [skip ci]

Author: oesteban

CHANGES.rst

@@ -1,12 +1,17 @@
+Version 0.1.6 (March 29, 2019)
+==============================
+
+Finish adding ``MNI152NLin6Sym`` after curation of NIfTI volumes and exporting to S3.
+
 Version 0.1.5 (March 29, 2019)
 ==============================
 
-Add volumetric data to the `fsLR` template, and rename the segmentation of subcortical structures to be consistent with the new files.
+Add volumetric data to the ``fsLR`` template, and rename the segmentation of subcortical structures to be consistent with the new files.
 
 Version 0.1.4 (March 28, 2019)
 ==============================
 
-New release to include the new `MNI152NLin6Asym` template (the default FSL "MNI" template).
+New release to include the new ``MNI152NLin6Asym`` template (the default FSL "MNI" template).
 
 Version 0.1.3 (March 14, 2019)
 ==============================