added back the fstat outputs to fsl flameo interface

Conflicts:

	nipype/interfaces/fsl/model.py
Added human order sorting for FLAMEO outputs, fixed abspath for Cluster
outputs.
PEP8
Merge pull request #615 from chrisfilo/enh/FLAMEO

Enh/flameo
Merge branch 'master' into nipy/slice_motion

* master:
  PEP8
  Added human order sorting for FLAMEO outputs, fixed abspath for Cluster outputs.
  added back the fstat outputs to fsl flameo interface
grayordinates resampling: wip
wip: need name_source to be moved to BaseInterface