Update CHANGES

Author: satra

CHANGES

@@ -4,6 +4,7 @@ Upcoming release 0.13
 * TST: reduce the size of docker images & use tags for images (https://github.com/nipy/nipype/pull/1564)
 * ENH: Implement missing inputs/outputs in FSL AvScale (https://github.com/nipy/nipype/pull/1563)
 * FIX: Fix symlink test in copyfile (https://github.com/nipy/nipype/pull/1570, https://github.com/nipy/nipype/pull/1586)
+* ENH: Added support for custom job submission check in SLURM (https://github.com/nipy/nipype/pull/1582)
 
 
 Release 0.12.1 (August 3, 2016)