Merge pull request #556 from chrisfilo/enh/about

Enh/about
doc: spelling
enh: allow node specific configuration to override master config
doc: added to changes
fix: clean up spm example
Merge remote-tracking branch 'upstream/master' into enh/nodeconfig

* upstream/master:
  doc: spelling
fix: fixed node configuration errors
fix: check if output directory exists before determining results file location. needs better reporting of the error.
Merge pull request #558 from satra/fix/batch

fix: check if output directory exists before determining results file lo...
Merge pull request #557 from satra/enh/nodeconfig

Enh/nodeconfig
0.8 release
Fixed links to old docs.
back to dev
Added FSL output type NIFTI to dmri mrtrix example
fix: avoid stopping of nipype-workflow caused by temporarily suspended LSF-jobs, And changed logfile of lsf-jobs from <lsf_jobid>.out to <scriptname>.log
3drefit does not accept -prefix option, since it operates on its own file
now it will work if you give the same out_file name as in_file name
however if you give no out filename it might not work if your
infile is a .nii or .nii.gz since afni will make briks
fix: testing to use numpy tester directly without extensive customization
fix: cleaned up nipype testing framework
fix: clean up fsl model tests.
fix: changed input name for 3dallineate