Update CHANGES

Author: oesteban

CHANGES

@@ -1,6 +1,8 @@
 Next release
 ============
 
+* ENH: Improve JSON interfaces: default settings when reading and consistent output creation
+       when writing (https://github.com/nipy/nipype/pull/1047)
 * ENH: New io interfaces for JSON files reading/writing (https://github.com/nipy/nipype/pull/1020)
 * ENH: Enhanced openfmri script to support freesurfer linkage (https://github.com/nipy/nipype/pull/1037)
 * BUG: matplotlib is supposed to be optional (https://github.com/nipy/nipype/pull/1003)