Merge remote-tracking branch 'upstream/master' into enh/restingconn

* upstream/master:
  add test for niu.Split
  update auto test
  added squeeze to split
  changelog
  fixed tests
  Cleanup final touches.
  Disable provenance, typos and fixes
  Fixes and improvementsto standard FSL pipelines
  Add supported for nested lists in iterfields.
  Added flatten and unflatten functions
  A new way to select b0 reference. Close #941
  fix some pep8 errors
  fix some pep8 errors

Author: satra

CHANGES

@@ -27,12 +27,13 @@ Next Release
 * ENH: New data grabbing interface that works over SSH connections, SSHDataGrabber
 * ENH: New color mode for write_graph
 * ENH: You can now force MapNodes to be run serially
+* ENH: Added ANTS based openfmri workflow
+* ENH: MapNode now supports flattening nested lists 
 * FIX: MRTrix tracking algorithms were ignoring mask parameters.
 * FIX: FNIRT registration pathway and associated OpenFMRI example script
 * FIX: spm12b compatibility for Model estimate
 * FIX: Batch scheduler controls the number of maximum jobs properly
 * FIX: Update for FSL 5.0.7 which deprecated Contrast Manager
-* ENH: Added ANTS based openfmri workflow
 
 Release 0.9.2 (January 31, 2014)
 ============

doc/users/mapnode_and_iterables.rst

@@ -92,6 +92,11 @@ is almost the same as running
 	
 It is a rarely used feature, but you can sometimes find it useful.
 
+In more advanced applications it is useful to be able to iterate over items
+of nested lists (for example [[1,2],[3,4]]). MapNode allows you to do this
+with the "nested=True" parameter. Outputs will preserve the same nested
+structure as the inputs.
+
 Iterables
 =========